perchloric acid and ammonia net ionic equation

Back to Home Page, Your email address will not be published. Answer = if4+ isPolar What is polarand non-polar? By breaking down and clarifying the steps in a math equation, students can more easily understand and solve the problem. How do I determine the molecular shape of a molecule? Perchloric acid barium hydroxide balanced equation. Write the net ionic equation in which the slightly soluble salt magnesium oxalate, MgC2O4, dissolves in dilute hydrochloric acid. Strong Acid + Strong Base B. If the acid and base are equimolar, the pH of the resulting solution can be determined by considering the equilibrium reaction of HB with water. around the world. All other acids and bases are considered weak. This means that we will split them apart in the net ionic equation. Whereas in the case of ammonia, it's a weak base and therefore the . Write the solution step by step. The other product is water. Finally, we cross out any spectator ions. Exercise 5. The net ionic equation for formation of an aqueous solution of Al (NO3)3 via mixing solid Al (OH)3 and aqueous nitric acid is __________. Write the remaining substances as the net ionic equation.Writing and balancing net ionic equations is an important skill in chemistry and is essential for understanding solubility, electrochemistry, and focusing on the substances and ions involved in the chemical reaction and ignoring those that dont (the spectator ions).More chemistry help at http://www.Breslyn.org Write the balanced molecular equation.2. H2SO4 Sr(OH)2, #H_3O^+ + NH_3 rightleftharpoons NH_4^+ + H_2O#. . Solution Verified Answered 5 months ago Create an account to view solutions The molecular and net ionic equations for the reaction of hydrochloric acid and ammonia are shown below. Write the overall, ionic and net ionic equations for The reaction of perchloric acid and barium hydroxide yields to barium perchlorate (Ba(ClO4)2) and water (H2O). Question: Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and perchloric acid are combined. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. #"HClO"_4(aq) + "NaOH" (aq) -> "H"_2"O"(l) + "NaClO"_4 (aq)#, #"H"_ 3"O"_ ((aq))^(+) + "OH"_ ((aq))^(-) -> 2"H"_ 2"O"_ ((l))#, Perchloric acid is a strong acid and sodium hydroxide is a strong base, so right from the start, you should be able to say that the net ionic equation that describes this neutralization reaction is. 14 - Calculate K for the reactions in Question 1. Perchloric acid and barium hydroxide balanced equation - 2 HClO 4 (l) + Ba(OH) 2 (aq) 2 H 2O (l) + Ba(ClO 4) 2 (aq) Other names: Perchloric acid, Hyperchloric. New Questions About Fantasy Football Symbols Answered and Why You Must Read Every Word of This Report. Generally, a higher number of oxygen yields a higher oxidation state of the central . In the equations above, HA represents an acid while MOH represents a metal hydroxide such as NaOH or KOH. Question = Is if4+polar or nonpolar ? I need the net ionic equation for the reactions below: -Dissolution of silver oxalate with nitric acid -Dissolution of silver chloride with aqueous ammonia -Oxidation of the iodide ion by hypochlorite solution -Precipitation of the sulfate ion with barium ion -Dissolution of barium phosphate solution with hydrochloric acid -Reaction of sodium phosphate solution with hydrochloric acid -Reaction . Ch. One example would be the reaction between the strong acid HClO4 and the strong base NaOH. Try it in the Numerade app? Answer = C2H6O is Polar What is polarand non-polar? Here, we look at HCl in water. Write the expression for the solubility constants of thefollowing compounds: (a) Agl, (b) Hg2S, (c) Fe(OH)3, (d) Ag2CrO4. 14 - An aqueous solution of 0.057 M weak acid, HX, has Ch. In the equations above, HA represents an acid while MOH represents a metal hydroxide such as NaOH or KOH. The other product is water. Write a net ionic equation for the reaction that occurs when aqueous solutions of perchloric acid and ammonia are combined. Question: Is B2 2-a Paramagnetic or Diamagnetic ? Acids can have different numbers of acidic hydrogens. Write a balanced net ionic equation for the neutralization of HClO (perchlorous acid) and LiOH. Lets look at H2SO4, a diprotic strong acid. 14 - Given the acid-base indicators in Question 37, Ch. Strong acids essentially completely dissociate in aqueous solution. HCl, HBr, HI LiOH, NaOH, KOH 14 - A buffer is prepared by dissolving 0.062 mol of Ch. 14 - You want to make a buffer with a pH of 10.00 from Ch. They indicate a dynamic equilibrium between reactants and products. Question: Is calcium oxidean ionic or covalent bond ? Okay, so as you know that folkloric acid is a strong acid and ammonia is a weak base. Second, we write the states and break the soluble ionic compounds into their ions (these are the strong electrolytes with an (aq) after them). Perchloric acid and barium hydroxide balanced equation - 2 HClO 4 (l) + Ba(OH) 2 (aq) 2 H 2O (l) + Ba(ClO 4) 2 (aq) Other names: Perchloric acid, Hyperchloric . net ionic equation: H +(aq) + OH -(aq) ---> H 2 O (l) Consider the reaction between hydrobromic acid and ammonia; HBr (aq) + NH 3 (aq) ---> To write the products we combine the anion of the acid with the cation of the base and write the correct formula following the principle of electroneutrality. Answer: perchloric acid ( HClO4 ) is a Molecular bond. 14 - A sample of 0.220 M triethylamine, (CH3CH2)3 N, is Ch. 14 - Four grams of a monoprotic weak acid are dissolved Ch. Like acids, there are strong and weak bases. Recall, the Arrhenius definition of a base is a substance that dissociates in water to produce hydroxide ions, OH. In solution we write it as HF(aq). See the table below: Please see the study guide on Nomenclature of Acids if you need to refresh your acid nomenclature. On the other hand, nitric acid is very strong, and should be written H 3O+ + N O 3 Finally, as the nitrate ion is a spectator here, it is omitted from the net ionic equation. 14 - A solution consisting of 25.00 g NH4Cl in 178 mL Ch. Answer link Aqueous sodium perchlorate (NaClO4) and water are formed. Question = Is SCl6polar or nonpolar ? There are three main steps for writing the net ionic equation for NH3 + HNO3 = NH4NO3 (Ammonia + Nitric acid). Dissociate all strong acids and bases. Write a balanced ionic and net ionic equation when aqueous perchloric acid is neutralized by aqueous potassium hydroxide. We will write most of our equations in terms of the hydronium ion. This means that in our reaction below, the water is acting as an acid because it donates a proton to the weak base, NH3. 14 - Calculate [H+] and pH in a solution in which Ch. What is the net ionic equation for the reaction between aqueous ammonia and hydrochloric acid? Answer = SCl6 is Polar What is polarand non-polar? Answer: B2 2-is a Diamagnetic What is Paramagnetic and Diamagnetic ? A base must have a lone pair of electrons to form a bond with the hydrogen ion. These are the ions that appear on both sides of the ionic equation.If you are unsure if a compound is soluble when writing net ionic equations you should consult a solubility table for the compound._________________Important SkillsFinding Ionic Charge for Elements: https://youtu.be/M22YQ1hHhEYMemorizing Polyatomic Ions: https://youtu.be/vepxhM_bZqkDetermining Solubility: https://www.youtube.com/watch?v=5vZE9K9VaJIMore PracticeIntroduction to Net Ionic Equations: https://youtu.be/PXRH_IrN11YNet Ionic Equations Practice: https://youtu.be/hDsaJ2xI59w_________________General Steps:1. In order to write the net ionic equation, the weak acid must be written as a molecule since it does not ionize to a great extent in water. When a weak base and a strong acid are mixed, they react according to the following net-ionic equation: B (aq) + HO (aq) HB (aq) + HO (l). Best of all, Perchloric acid barium hydroxide balanced equation is free to use, so there's no sense not to give it a try! 14 - Water is accidentally added to 350.00 mL of a Ch. Note we do not use a double arrow in the chemical equation because HCl is a strong acid with essentially 100% dissociation. Bolow 507 50 * Above 50% 10o% Use H3O+ instead of H+. According to the Arrhenius definition, an acid is a substance that dissociates in water to give hydrogen ions, H+ and a base is a substance that dissolves in water to give hydroxide ions, OH. Click 'Join' if it's correct. Weak acids are weak electrolytes and only partially dissociate in aqueous solution. A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. How do you calculate the ideal gas law constant? The ions are atoms that have gained one or more electrons (known as anions, which are negatively charged) and atoms that have lost one or more electrons (known as cations, which are positively charged). At equilibrium, the rates of the forward and the reverse reaction are equal. 14 - A buffer is prepared by dissolving 0.0250 mol of Ch. 14 - Consider an aqueous solution of HF. The extent of this reaction A better representation is hydronium ion, H3O+. What are the units used for the ideal gas law? We will find out why in a later study guide. Submlt Answer. Dinesh super simplified mathematics class 10 solutions, Equations of circles common core geometry homework answers, How can you tell a biological molecule is a lipid, How to make exponential function from graph, How to solve homogeneous differential equations using the exponential shift property, Lesson 12 linear equations in two variables eureka math, Projectile motion problems with solutions. Strong Acids and Strong Bases ionize 100% in aqueous solution. Answer = IF4- isNonpolar What is polarand non-polar? This is the net ionic equation for the reaction of any strong acid with any strong base. 14 - Each symbol in the box below represents a mole of Ch. Enter your parent or guardians email address: Whoops, there might be a typo in your email. First, we balance the molecular equation. Ch. - HCl is a strong acid. You will see more curved arrows in a later study guide as well as in organic chemistry. 14 - A buffer is made up of 239 mL of 0.187 M potassium Ch. Sodium hydroxide is a strong base. Ch. Leave together all weak acids and bases. The net ionic equation can also be written in terms of H3O+ as: A neutralization reaction also occurs between a weak acid and a strong base. + + Write a net ionic equation for the reaction that occurs when aqueous solutions of Back to Reactions in Aqueous Solution The curved blue arrows show electron movement. 14 - Follow the directions of Question 64. Check out our online calculation assistance tool! Acetic acid, CH3COOH has 4 hydrogens, but is a weak monoprotic acid. Step 1: The species that are actually present are: The H+ ion is too reactive to be in water. \[\begin{align*} &\ce{HCl} \left( aq \right) + \ce{NH . Question = Is SbCl5 ( Antimony pentachloride ) polar or nonpolar ? Balance the reaction of HCLO4 + NaOH = NaCLO4 + H2O using this chemical equation balancer! (Use H + instead of H 3 O +.) This will help you better understand the problem and how to solve it. Below is a list of the 6 strong acids and 6 strong bases you should know. STRENGTHS OF ACIDS 1. How do you find density in the ideal gas law? Second, we write the states and break the soluble ionic compounds into their ions (these are the strong electrolytes with an (aq) after them). 14 - Morphine, C17H19O3N, is a weak base (K b =7.4107). Ch. 14 - Write a balanced net ionic equation for the Ch. A solution of volume 0.500 L contains 1.68 g NH3 (Kb = 1.8 x 10^-5) and 4.05 g (NH4)2SO4. In aqueous solution, the hydrogen ion that dissociates from the acid will form a bond with a water molecule to produce the hydronium ion. Write a net ionic equation for the reaction that occurs when The reaction of perchloric acid and barium hydroxide yields to barium perchlorate (Ba(ClO4)2) and water (H2O). Estimate the calcium concentration (in ppm by mass) in a groundwater sample, which has a pH of 5.63. A cold 70% aqueous perchloric acid solution is considered to be a strong acid or superacid (stronger than . It is a powerful oxidizer.Combined with a fuel, it can be used as a rocket propellant called ammonium perchlorate composite propellant.Its instability has involved it in a number of accidents, such as the PEPCON disaster. The Bronsted Lowry definition of an acid or base is more useful. 14 - A solution is prepared by dissolving 0.350 g of Ch. #"H"_ 3"O"_ ((aq))^(+) + "ClO"_ (4(aq))^(-) + "Na"_ ((aq))^(+) + "OH"_ ((aq))^(-) -> 2"H"_ 2"O"_ ((l)) + "Na"_ ((aq))^(+) + "ClO"_ (4(aq))^(-)#, #"H"_ 3"O"_ ((aq))^(+) + color(red)(cancel(color(black)("ClO"_ (4(aq))^(-)))) + color(red)(cancel(color(black)("Na"_ ((aq))^(+)))) + "OH"_ ((aq))^(-) -> 2"H"_ 2"O"_ ((l)) + color(red)(cancel(color(black)("Na"_ ((aq))^(+)))) + color(red)(cancel(color(black)("ClO"_ (4(aq))^(-))))#, 13175 views Chemistry Chemical Reactions Chemical Reactions and Equations. If you go for a paid version you get full solution with every step explained clearly. First week only $4.99! Snapsolve any problem by taking a picture. (d) nitric acid and calcium hydroxide. 14 - The following is the titration curve for the Ch. Write the balanced molecular equation.2. Question = Is C2Cl2polar or nonpolar ? 14 - Write a net ionic equation for the reaction Ch. 14 - Thymolphthalein is an indicator that changes from Ch. Write the state (s, l, g, aq) for each substance.3. Answer = C2Cl2 is Polar What is polarand non-polar? 14 - Consider the weak acids in Table 13.2. Split soluble compounds into ions (the complete ionic equation).4. 14 - How many grams of NaF must be added to 70.00 mL of Macroscale and Microscale Organic Experiments. Strong bases are the hydroxides of the alkali (Group IA) and . The balanced, net ionic equation for the reaction occurring in this titration is I2(aq) + 2 S2O32(aq)2 I(aq) + S4O62(aq) Suppose 50.00 mL of 0.0520 M I2 was added to the sample containing ascorbic acid. Answer = SiCl2F2 is Polar What is polarand non-polar? Next, consider the products. 14 - A sodium hydrogen carbonate-sodium carbonate Ch. . Solve Now. Metal hyroxides containing Group 1A and some of Group 2A metals will dissociate completely when dissolved in water making them strong bases. Question = Is IF4-polar or nonpolar ? CIO; The Ch. Barium hydroxide is Ba(OH)2 and perchloric acid is HClO4, so those would be your two reactants. - HF is a weak acid. _______+_________------->_______+_______ This reaction is classified as ___ A. What is the net ionic equation of the reaction between ammonia and nitrous acid? The first dissociation is complete but the second dissociation is incomplete. Here, we debate how Perchloric acid and sodium hydroxide balanced equation can help students learn Algebra. 14 - Blood is buffered mainly by the HCO3 H2CO3 buffer Ch. This reaction is classified as: Strong Acids Strong Bases Consider two Ch. Due to the abundance of word problems I've encountered This app's main function hasn't been very useful but it does function as a really good calculator. The proton from acetic acid should be moved to the ammonia molecule, making the ionic equation: HC 2 H 3 O 2 (aq) + NH 3 (aq) C 2 H 3 O 2 - + NH 4 + Turning this into a net ionic equation means not doing anything; there are no spectators. There are three main steps for writing the net ionic equation for HClO4 + NaOH= NaClO4 + H2O (Perchloric acid + Sodium hydroxide). If 0.88 g NaOH is added to the solution, what will be the resulting ph? Both H+ and H3O+ are sometimes used interchangeably, but H3O+ is the species that results in an aqueous acid solution. Click here to get an answer to your question Write the net ionic equation including the phases? According to the details in the question, amonia is written #NH_3# because it is a weak base, and does not ionize to a large extent in water. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding. 14 - Calculate the pH of a solution prepared by mixing Ch. HClO4 Ba(OH)2 Explanation: According to the details in the question, amonia is written N H 3 because it is a weak base, and does not ionize to a large extent in water. Write the 2 acid dissociation equations for aqueous oxalic acid. WRITING TOTAL AND NET IONIC EQUATIONS. Seco. This is called a coordinate covalent bond because both electrons for the formation of the covalent bond come from one atom, in this case the oxygen atom. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and acetic acid are combined. 14 - A diprotic acid, H2B(MM=126g/moL), is determined Ch. First, we balance the molecular equation. This is by far the most helpful app I have ever seen, anyone who is having trouble with maths or needs any extra help I would indefinitely reccomend this app to you. The H + ion is too reactive to be in water. The bond may result from the electrostatic force of attraction between oppositely charged ions as in . 14 - Enough water is added to the buffer in Question 30 Ch. The resulting balanced equation is 2 HClO4 +. A H+ ion is a proton. Question = Is C2H6Opolar or nonpolar ? Many of them are used in industry and in households. 14 - Fifty cm3 of 1.000 M nitrous acid is titrated with Ch. . Question: 1) Write the balanced NET IONIC equation for the reaction that occurs when perchloric acid and ammonia are combined. Polar "In chemistry, polarity i Is perchloric acid an ionic or Molecular bond ? The net ionic equation is different from that of a strong acid because the weak acid does not completely dissociate. A neutralization reaction where acid is one reactant and base another, the products will be water and salt. https://en.wikipedia.org/wiki/Ionic_bonding. In fact, many acids and bases are found in biological fluids. Cross out the spectator ions on both sides of complete ionic equation.5. Assume that the groundwater at this location is saturated with CO2at a partial pressure of 0.185 atm. More about this in a later study guide. Write a net ionic equation for the reaction that occurs when aqueous solutions of perchloric acid and barium hydroxide are combined. An acid donates a proton to a base; the base is the proton acceptor. 14 - Indicate whether each of the following statements Ch. This is a double replacement reaction where, Find the length of the radius of the circle whose equation is, How is using mental math to add with decimals, How to describe the shape of a line graph, How to solve radical equations with two square roots, Solve each system using substitution calculator, Substitution method calculator with steps. Chemical bond. The second arrow between the hydrogen atom and the lone pair of electrons on the ammonia, indicate the bond being formed between the lone pair of electrons on the ammonia molecule and the hydrogen ion to form ammonium ion. 2. Less problems that are yet to be solved ,and much more helpful demonstrations, i am so happy with math app, not only do u get awnsers but you can learn step by step in every detail, definitely a keeper. What is chemical bond, ionic bond, Molecular bond? In solution we write it as K+(aq) + OH -(aq). The net ionic equation for the reaction of perchloric HClO 4 (l) + NaOH (aq) NaClO 4 (aq) + H 2O (l) Other names: Perchloric acid, Hyperchloric . It requires Ch. 14 - A 0.2481 M solution of KOH is used to titrate Ch. Need a deep-dive on the concept behind this application? Exercise 3. Split soluble compounds into ions (the complete ionic equation).4. So, per caloric acid is a strong asset And their 400% association will be occurring. In solution we write it as H3O+(aq) + Cl -(aq). 14 - A 0.4000 M solution of nitric acid is used to Ch. Perchloric acid is a corrosive inorganic liquid that is colorless, odorless, and oily in nature. 33 Nitric acid H+-(aq) + NO (aq) HClO 44 Perchloric acid H+-(aq) + ClO (aq) H 24 SO Sulfuric acid 2 H+-(aq) + SO 4 2(aq) (b) Strong bases. This is indicated by the double arrow. We will discuss equilibrium in a later study guide. This is the best answer based on feedback and ratings. 14 - For an aqueous solution of acetic acid to be Ch. 2 HClO 4 (l) + Ba(OH) 2 (aq) 2 H 2O (l) + Ba(ClO 4) 2 (aq) Other names: Perchloric acid, Hyperchloric acid, Perchloric acid (72% solution), Hydronium. Spring 2015 REEL Chemistry Student Presentations, REEL Chemisry Student Presentations Spring 2014, 2016 Annual Chemistry Teaching Symposium and Education Exhibition, Back to Study Guides for General Chemistry 1, 8. Balance the reaction of NaOH + HClO4 = NaClO4 + HOH using this chemical equation Sodium Hydroxide + Perchloric Acid = Sodium Perchlorate + Water. Notice, the strong bases are metal hydroxides. Do My Homework. Write the balanced NET IONIC equation for the reaction that occurs when perchloric acid and ammonia are combined. 97% of Numerade students report better grades. In fact, 0.10 M aqueous acetic acid, CH3, only partially dissociates, about 1.34%. Write the state (s, l, g, aq) for each substance.3. It even shows how to solve the problem in different ways for free so you can also learn how to solve it yourself, i love it it really helps me on my work, it helps with so much if you struggle with math or just can't stand math homework, even without premium, which I didn't realized existed, you can solve problems and get steps to most of them. 14 - Calculate K for the reactions in Question 2. See all questions in Chemical Reactions and Equations. For example, HCl and HNO3 have one acidic hydrogen and are monatomic. It is miscible with water and has a boiling point of 203 C, a melting point of 19 C, and a low vapor pressure of 6.8 mm Hg at 25 C. Want better grades, but cant afford to pay for Numerade? Note the double arrows in the reaction below. Strong acids and strong bases are considered strong electrolytes and will dissociate completely. 14 - The buffer capacity indicates how much OH- or H+ Ch. 14 - Metacresol purple is an indicator that changes Ch. The water molecule forms a bond with the hydrogen ion via the lone pair of electrons on oxygen. NH3 is a weak base. 12H2O(s) in aqueous solution. 14 - There is a buffer system in blood H2PO4 HPO42 that Ch. A net ionic equation shows only the chemical species that are involved in a reaction, while a complete ionic equation also includes the spectator ions. 14 - Consider the titration of butyric acid (HBut) with Ch. 14 - Ammonia gas is bubbled into 275 mL of water to Ch. VIDEO ANSWER:Hello. John C. Kotz, Paul M. Treichel, John Townsend, David Treichel, Kenneth L. Williamson, Katherine M. Masters, Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell, Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer. In solution we write it as NH3(aq). 14 - A buffer solution is prepared by adding 5.50 g of Ch. net ionic equation: H +(aq) + OH -(aq) ---> H 2 O (l) Consider the reaction between hydrobromic acid and ammonia; HBr (aq) + NH 3 (aq) ---> To write the products we combine the anion of the acid with the cation of the base and write the correct formula following the principle of electroneutrality. Perchloric acid is a strong acid and sodium hydroxide is a strong base, so right from the start, you should be able to say that the net ionic equation that describes this neutralization reaction is #"H"_ 3"O"_ ((aq))^(+) + "OH"_ ((aq))^(-) -> 2"H"_ 2"O"_ ((l))# Perchloric acid will ionize completely in aqueous solution to produce hydronium cations and perchlorate anions. A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond may result from the electrostatic force of attraction between oppositely charged ions as in ionic bonds; or through the sharing of electrons as in covalent bonds . Binary Acids The acid strength of binary hydrides generally increases down a group in the periodic table (same as the radius trend) and increases from left to right across a period (same as the EN trend). 14 - Consider a 10.0% (by mass) solution of Ch. A salt is produced in the reaction between an acid and a base. 14 - A 35.00-mL sample of 0.487 M KBrO is titrated with Ch. Svante Arrhenius defined acids and bases back in 1887. Okay. Perchloric acid and sodium hydroxide balanced equation. Exercise 4. https://en.wikipedia.org/wiki/Covalent_bond. 14 - Given three acid-base indicatorsmethyl orange Ch. HNO3 Ca(OH)2 slightly soluble We can find the net ionic equation for a given reaction using the following steps: Write the balanced molecular equation for the reaction, including the state of each substance. Ternary Acids Ternary acids contain a non-metal and oxygen. Seriously saved me of dying of boredom, it can teach me how to solve or whatever but more importantly doesn't make me practice skills I already have, usually the powers and fractions get messed up. Question = Is SiCl2F2polar or nonpolar ? NH4 Barium hydroxide is Ba(OH)2 and perchloric acid is HClO4, so those would be your two reactants. The overall and net ionic equations for the four reactions are shown below in Table 1. Al (OH)3 (s) + 3H+ (aq) 3H2O (l) + Al3+ (aq) What is a neutralization reaction? NaOH + Cl2 = NaClO3 + NaCl + H2O HBr + Al (OH)3 = H2O + AlBr3 Al (C2H3O2)3 + MgSO4 = Al2 (SO4)3 + Mg (C2H3O2)2 KI + CuSO4 = CuI + I2 + K2SO4 CsCl + Al (OH)3 = CsOH + AlCl3 MgI2 + Ag2SO4 = AgI + MgSO4 Mn + CuSO4 = MnSO4 + Cu BaS + NH4Cl = (NH4)2S + BaCl2 Ca (NO3)2 + K3PO4 = KNO3 + Ca3 (PO4)2 KF + H2SO4 = HF + K2SO4 FeCl2 + K3PO4 = Fe3 (PO4)2 + KCl