d) There is no reaction; all possible products are soluble a. H2S (g) a. Water-soluble potassium phosphate, K3P O4 K 3 P O 4, also produces a basic solution. Shifted two units do, Calculate the lattice energy for the formation of MgO from Mg and O 2 27.3 ml HCl x (1 L/1000 ml) x (0.10 mol HCl/1L) = 0.00273 mol HCl In this case, the water molecule acts as an acid and adds a proton to the base. For example, in, Na+(aq) + Cl(aq) + Ag+(aq) + NO3(aq) AgCl(s) + Na+(aq) + NO3(aq). At the same time, the K2SO4 is a very different substance than K+ and SO4 2-.If you need to know how to balance chemical reactions, see my complete tutorial on balancing all types of chemical equations:Balancing Equations in 5 Easy Steps: https://youtu.be/zmdxMlb88FsMore Practice Balancing: https://youtu.be/Qci7hiBy7EQDrawing/writing done in InkScape. Andrey Kh Vorobiev *. 0.0229 mol H2SO4 x (2 mol NaOH/1 mol H2SO4) = 0.0456 mol NaOH Another place where solubility versus insolubility is an issue is the Grand Canyon. c) Only barium nitrate precipitates Express your answers as chemical formulas separated by a comma. Equation for Potassium Sulfate Dissolving in Water (K2SO4 + H2O ) Wayne Breslyn 631K subscribers Subscribe 301 55K views 4 years ago In this video we will describe the equation K2SO4 + H2O and. Chemistry 60 - Lec Notes 2023 - Summary 18 Periodicity This section What's something you just don't understand? 0.100 mol Pb(NO3)2 x (2 mol HCl/1 mol Pb(NO3)2) = 0.200 mol HCl Write equations for the reaction of the CO32- HCO3- buffer reacting with an acid and a base. a) 8.10% If so, write an equation for it acting as a base and acid. NaCl will conduct electricity, but not Methanol, the clustering of solvent molecules around a solute particle which helps to stabilize the ions in solution; Prevents cations and anions from recombining, What dissolved species are present in a solution of, A substance (Strong acids, strong bases and most salts) that is completely ionized in solution, A substance that only partially ionizes If just one, which one? 1. fluoride ion, hydronium ion, and water 2. fluoride ion, hydroxide ion. 0.175 mol Na2SO4 x (142.04 g/ 1 mol Na2SO4) = 24.9g Na2SO4, What is the concentration of ammonia in a solution made by dissolving 3.75 g of ammonia in 120.0 L of water? Tier 4 Hunter Tbc, Email: mebw@fabiz.ase.ro Instead of using the entire chemical formula of phthalate, use HP- to represent the acidic hyd. check image, Which of the following combinations results in a redox reaction? A common example of freezing point depression is salt lowering the freezing point of water to keep ice from freezing on roads in cold temperatures. For example, you can dissolve a maximum of 36.0 g of NaCl in 100 g of water at room temperature, but you can dissolve only 0.00019 g of AgCl in 100 g of water. To find thetemperature change elevation of a solvent by a solute, use the freezing point depression equation:T = iKfmwhereT = Change in temperature in Ci = van 't Hoff factorKf = molal freezing point depression constant or cryoscopic constant in C kg/molm = molality of the solute in mol solute/kg solvent. Abhinava Srikar 8 days ago at 7:17 , Why is it NH4OH and not NH3? M=mol/L Is K3PO4 acidic, basic, or neutral (dissolved in water)? Keep in mind that when the ions separate, all the ions separate. The Journal of Physical Chemistry C 2023, 127, 8, 4341-4350 (C: Physical Properties of Materials and Interfaces) Publication Date (Web): February 21, 2023. The most common type of indicator is an acid-base whose color changes as a function of pH, How would the volume of standard solution added change if that solution were Ba(OH)2 (aq) instead of NaOH(aq) But with the second H+, you have that H+ trying to get away from something that will be HPO4=. (8.1x10^-3 g/0.01 g) = 81% Such salts are a result of partial or incomplete neutralization. The problem is that too much limescale can impede the function of a water heater, requiring more energy to heat water to a specific temperature or even blocking water pipes into or out of the water heater, causing dysfunction. Sciences, Culinary Arts and Personal We can define acids as substances that dissolve in water to produce H + ions, whereas bases are defined as substances that dissolve in water to produce OH ions. b) Pb(NO3)2 (aq) and Fe(s) Dissociation of {eq}\rm Na_{2}CO_{3} 1) Monoatomic ions - oxidation number is the same as the charge Silver nitrate, or AgNO3, mixed with distilled water is a solution. Freezing Point Depression Example Problem. c) Pb(NO3)2 (aq) and Fe(NO3)2 (a) 0.02250 M x 0.04720 L = 1.1x10^-3 mol MnO4(1-) Which of the following is a strong electrolyte? Methanol is highly soluble in water, therefore, large amounts of methanol can be dissolved in water. Some ionic compounds are very soluble, some are only moderately soluble, and some are soluble so little that they are considered insoluble. a_ Chloric Acid The dissolving equation is Na 2 SO 4 (s) 2Na + (aq) + SO 4 2 (aq) Exercise Write the chemical equation that represents the dissociation of (NH 4) 2 S. Answer When chemicals in solution react, the proper way of writing the chemical formulas of the dissolved ionic compounds is in terms of the dissociated ions, not the complete ionic formula. Is a 0.1 M solution of NH4Cl acidic, basic, or neutral? Alkali salts are basic salts are that category of salts which are formed by combination of strong bases and weak acids. I'm having a go. For example, if your substance dissolved in 500 mL of water, 0.0021 moles per liter 0.5 liters = 0.00105 moles. b. Na_2CO_3. c) Acetic Acid to do this: Divide by the volume you have (250) and time by the volume that you want to express the answer as(1000 mls = 1 litre - just converting betwwen units effectively): = (0.450 mol / 250 ml) x 1000 ml = 1.8 mol L-1. Write the ions present in a solution of k3po4 | Math Materials A solution is a homogeneous mixture where one substance dissolves in another substance. {/eq} dissolves in water. We consider \(\ce{NaCl}\) soluble but \(\ce{AgCl}\) insoluble. is dissolved in water to make a a) 13.4 M b) Ca(NO3)2 All rights reserved. A) CuCl2. Department of Health and Human Services. c) CH3COOH (Aq) + 2 OH- (aq) --> 2 H2O (l) + CH3COO- (aq), Which is the correct net ionic equation for the reaction of aqueous ammonia with nitric acid? Wayne Breslyn 632K subscribers 10K views 2 years ago To tell if K3PO4 (Potassium phosphate) forms an acidic, basic (alkaline), or. 2(22.99)+32.06+4(16) = 142.04 g/mol The water molecules surrounded each ion in the solid NaCl separating the Na+ ions from the Cl- ions. Write the ions present in a solution of k3po4 - Math Solver If it is not neutral, explain your choice by writing a balanced net ionic equation to describe its behavior in water. Is a 0.1 M solution of NaHCO3 acidic, basic, or neutral? The equation is already balanced. Salt water. Do my homework now. c) SCl2 Write An Equation That Justifiesits Basicity. d) 49.7% c. NH_4ClO_2. You may have seen these solutions labeled with the subscript aq in chemical equations. 2 Al3+ (aq) + 6 H+ (aq) + 6 Br- (aq) --> 2 Al3+ (aq) + 3 H2 (g) + 6 Br - (aq) . You have 500 mL of a 5.0 M solution of nitric acid HNO3 (63.01 g / mol) dissolved in water. Join Yahoo Answers and get 100 points today. Water-soluble potassium phosphate, A solution of Na_2CO_3 has a pH of 10. Chemistry. The first H+ comes off at once. Write out all hydrolysis reactions that occur. M=mol/L Molar mass = 285.34 g/mol Write the net acid-base reaction that occurs when dissolved NaC2H3O2 reacts with water. Write a chemical equation to justify your choice. Write an equation for the neutralization of vinegar (acetic acid) with baking soda. 4 Chapter 4 Chemistry 1303 B. Molecular and Ionic Equations Metathesis Reaction (also called "double displacement") Ions from two different reactants simply trade partners, Na2CO3 (aq) + Ba(NO3)2 (aq) BaCO3 (s) + 2 NaNO3 (aq) This was written as a molecular equation in which all reactants and products are shown as complete, neutral chemical formulas. Write the net ionic equation for the acid-base hydrolysis equilibrium that is established when ammonium chloride is dissolved in water. What is the percentage of morphine in the white powder? d) (0.297 g Fe2+/0.8890 g total) x 100 = 33.4%. 11.5 M HCl(aq) Magnesium dissolves in an aqueous chromium(III) nitrate solution to form chromium and the soluble magnesium nitrate salt. KCN is a simple ionic compound that is soluble in water to about 50 g/l @25C - stable stewartt8 stewartt8 04/12/2018 Chemistry College Complete this equation for the dissociation of K3PO4(aq). M = 0.0101 mol NaOH/ 0.048 L Dissociation is complete as shown in the equation. The (aq) shows that they are aqueous dissolved in water.The equation for MgSO4 ( Magnesium sulfate and H2O sometimes isnt considered a chemical reaction since it is easy to change the Mg 2+ and SO4 2- back to MgSO4 (just let the H2O evaporate). What is the molarity of a NaOH solution if 48.0 mL neutralizes 35.0 mL of 0.144 M H2SO4? A sample of 70.5 mg of potassium phosphate is added to 15.0 mL of 0.050 M silver nitrate, resulting in the formation of a precipitate. 8.11: Ionic Equations - Chemistry LibreTexts The equation can further be written as, Tb =. Answer: B. a) Write the balanced molecular and net ionic equations for the reaction between magnesium and cobalt(II) sulfate. This means that over a period of about two billion years, the Colorado River carved rock from the surface by slowly dissolving it, eventually generating a spectacular series of gorges and canyons. b) 8.75 mL Liters = mol x (1/M) or mol x (L/mol). What is the add dissociation constant expression (acidity constant expression) for this reaction? 0.0277 mol/0.1 L = 0.277 M. What is the molar concentration of each ion present in a 0.025 M aqueous solution of calcium nitrate? Show the reaction with H+ as. b) (5.0 M)(V1) = (0.10M)(250 mL) V2 = (1x500)/ 1.75x20^-2 Complete the equation for the dissociation of k3po4(aq) It is common to cancel spectator ions (something also done with algebraic quantities) on the opposite sides of a chemical equation: \[\cancel{Na^{+}(aq)}+Cl^{-}(aq)+Ag^{+}(aq)+\cancel{NO_{3}^{-}}(aq)\rightarrow AgCl(s)+\cancel{Na}^{+}(aq)+\cancel{NO}_{3}^{-}(aq)\nonumber \]. e) 3.35 M, M=mol/L Usually results in a salt and H2 gas. Dissociation of an ionic compound in water. Consider solutions in which 0.1 mol of each of the following compounds is dissolved in 1 L of water: Ca(NO3)2, C6H12O6, NaCH3COO, and CH3COOH. eNotes Editorial, 19 Oct. 2012, https://www.enotes.com/homework-help/what-balanced-dissociation-equation-k-3po-4-what-365679. When the salt dissolves, it is not a chemical reaction, so no new substance is created. Why don't things melt when we touch them? e) 28,570 mL, M1V1 = M2V2 a) H3PO3 + 3 KOH --> K3PO3 + 3 H2O e) 1.84x10^-3 M, M=mol/L What Are The Concentrations Of Oh- And H+ In A Solution Of Ba(Oh)2 Clear up mathematic problem If you're having trouble solving a math problem, try breaking it down into smaller pieces and solving each part separately. They are present, but they do not participate in the overall chemistry. Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of calcium chloride and sodium carbonate are mixed. OR Find an Online Tutor Now Choose an expert and meet online. Sodium carbonate dissolved in water produces a basic solution.Water-soluble potassium phosphate, K 3 PO 4 ,also produces a basic solution. FOIA. What Is The Ph Of A Saturated Solution Of Zn(Oh)2? Write the equation for the dissociation into ions when 1 mole of K3PO4 1) sodium hydrogen carbonate 2) potassium dihydrogen phosphite 3) lithium hydrogen oxalate Three different aqueous solutions are made at 25 c, each containing one of the amphoteric salts below. What are ten examples of solutions that you might find in your home? Most questions answered within 4 hours. Assume that 4.6320 g of K3PO4 is dissolved in enough water to make 250.0 mL of solution? d) 3.78x10^-2 M a) K3PO4 (aq) + 3 AgNO3 (aq) --> Ag3PO4 (s) + 3 KNO3 (aq) B) The compound ammonium bromide , NH4Br is soluble in water. M=mol/L write the balanced equation for: 1. dissolving potassium phosphate in water K3PO4(s) + water --> 3K+ (aq) + (PO4)-3 (aq) 2. dissolving manganese(III) sulfate in water Mn2(SO4)3(s) + water --> 2Mn3+ (aq) + 3(SO4)-2 (aq) 3. dissolving sodium bromide in water NaBr (s) + water --> Na+ (aq) Favorite Answer. See Answer. = 0.40 M. How many grams of Ca(OH)2 are needed to neutralize 25.0 mL of 0.100 M HNO3? 2 NaOH + H2SO4 --> Na2SO4 (s) + 2 H2O HCO_3^- is amphoteric. Mass/ molecular weight = 50 g / 110.98 g/mol = 0.450 mol So now you know there is 0.450 mol per 250 mls, you just convert to mol l-1. In this video we will describe the equation MgSO4 + H2O and write what happens when MgSO4 is dissolved in water.When MgSO4 is dissolved in H2O (water) it will dissociate (dissolve) into Mg 2+ and SO4 2- ions. d) Br = -1; Sn = +4 What is more dangerous, biohazard or radioactivity? c) the net ionic equation. The question provides us with the chemical formula (K3PO4 K 3 P O 4) and amount of chemical (0.75 mol). b) lithium mol = M x L 3.32x10^-4 - 2.5x10^-4 mol K3PO4 = 8.2x10^-5 mol K3PO4 3.93x10^-2 M Omit water from the equation because it is understood to be present. FeCl2 (aq) + Mg (s) --> Fe(s) + MgCl2 (aq) In this video we will describe the equation K2SO4 + H2O and write what happens when K2SO4 is dissolved in water.When K2SO4 is dissolved in H2O (water) it will dissociate (dissolve) into K+ and SO4 2- ions. Chemistry 101 - Chapter 4 Flashcards | Quizlet Latest answer posted December 07, 2018 at 12:04:01 PM. Would hcl and nacl make a buffer? Explained by Sharing Culture Mg(s) + Co2+ (aq) + SO4- (aq) --> Mg2+ (aq) + SO4- (Aq) + Co(s) Predict whether aqueous solutions of the following substances are acidic, basic, or neutral. b) What is the limiting reactant in the reaction? The calculation uses an equation called Blagden's Law, which combines Raoult's Law and the Clausius-Clapeyron Equation. Ex-U.S. gymnastics coach dies by suicide amid scandal, Pilot: 'We just had something go right over the top of us', Rosamund Pike: I've been Photoshopped for film ads, Munger: A little inequality is good for the economy, Mr. {/eq}. NH3+ + 3H+ + NO3- --> NH4+ + H2O + NO3- 1 Answer. CHEM 1113- Ch. 4 Homework (Chemical Reactions & Aqueous - Quizlet Fe2+ (aq) + Mg (s) --> Fe (s) + Mg2+ (aq), Which of these metals is the easiest to oxidize? b) the complete ionic equation, Write an equation that represents the action in the water of piperidine ((CH_2)_5NH) as a Bronsted -Lowry base. d) 32.1 mg c) 3.91 x 10^-2 M L = mol/M b) 2 HCl (aq) + Pb(NO3)2 (aq) --> PbCl2 (s) + 2 HNO3 (aq) a) Both barium nitrate and sodium chloride precipitate # of moles of morphine = # of moles of HCl K3PO4 (aq) + Ni Br (aq) Write a balanced chemical equation based on the following description: aqueous potassium phosphate reacts with aqueous nickel (II) bromide to produce solid nickel (II) phosphate and aqueous potassium bromide. (a) If 0.384g0.384 \mathrm{~g}0.384g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained? In this video we will describe the equation MgSO4 + H2O and write what happens when MgSO4 is dissolved in water.When MgSO4 is dissolved in H2O (water) it wil. electrolyte nonelectrolyte Acids and bases can be defined in terms of their behavior in aqueous solution. Write the chemical equation for the reaction of carbonic acid (H_2CO_3) with water. = 0.0025 mol HNO3 V1 = 0.10 x 250/5.0 Helmenstine, Todd. Aqueous electrolyte sodium ion. Medical search. Frequent questions Question: Sodium Carbonate Dissolved In Water Produces A Basic Solution.Water-soluble Potassium Phosphate, K3PO4,also Produces A Basic Solution. This problem has been solved! c) 1:1 Radical scavenging activities, expressed as percent DPPH inhibition, were obtained using the following equation: DPPH radical scavenging activity (%) = [ (blank OD sample OD)/blank OD] 100 (1) The blank OD is the control reaction containing all reagents except the test compound. K2CO3 NH3+ + 3H+ --> NH4+ + H2O Further, to describe the chemical conte By using this website, you signify your acce Balance the reaction of KOH + H3PO4 = K3PO4 + H2O using this chemical equation balancer! Part C K3PO4 Express your answer as a half-reaction. The solute is broken down completely into individual ions or molecules. The solute must be non-volatile. Freezing point depression is one of the colligative properties of matter, which means it is affected by the number of particles, not the chemical identity of the particles or their mass. Write equations illustrating the amphoterism of these anions. crcl3 soluble or insoluble We can use a chemical equation to represent this processfor example, with NaCl: \[\ce{ NaCl(s) ->[\ce{H2O}] Na^{+}(aq) + Cl^{-}(aq)}\nonumber \]. To find the amount of the dissolved substance, multiply by liters of water, then multiply by the molar mass. what is the balanced dissociation equation for K^3PO^4? what - eNotes Solved Part B Enter the ions present in a solution of K3PO4. Choose the ion responsible for the acid/base character of the solution and write its acid/base reaction with water. 0.0100 M x 0.00284 L = 2.84x10^-5 mol HCl Common bases are NaOH, KOH, Ca(OH)2 and NH3+ Alkali Salts : Alkali salts are basic salts are that. K3PO4 has an IUPAC name of Tripotassium. How to find how many moles are in an ion? | Socratic 95% Recurring customers 63653 Delivered Orders Equation for K3PO4 + H2O (Potassium phosphate + Water) These bubbles are the result of a . b) Write a balanced equation for the reaction. 125 mL x (1 L/1000 ml) = 0.125 L answered 02/12/20, Experienced Chemistry Tutor and College Lecturer. 4.2: Precipitation Reactions - Chemistry LibreTexts Ag+ (aq) + Cl- (aq) --> AgCL(s) Note that phosphorous acid is a diprotic acid. Hydroxide ion a. I and II b. I, II, and III c. I and IV d. I and II. Ca+ (aq) + 2Cl- (aq) + 2Na+ (aq) + CO3 2- (aq) --> CaCO3 (s) + 2Na+ (aq) + 2Cl- (aq) If so, write the balanced molecular and net ionic equations for the reaction. Check image for possible answer choices, NH3+ (aq) + HNO3 (aq) --> NH3NO3 (aq) + H2O (aq) Experiment with the comet function: try the example given when help comet is entered and then animate your own function using comet. = 0.00504 mol H2SO4 All ionic compounds that dissolve behave this way. Explain how gene regulation makes cell specialization possible. 3. What remains when the spectator ions are removed is called the net ionic equation, which represents the actual chemical change occurring between the ionic compounds: It is important to reiterate that the spectator ions are still present in solution, but they do not experience any net chemical change, so they are not written in a net ionic equation. Magnetoplasma and Cyclotron Phenomena in the High-Temperature X-Band Electron Paramagnetic Resonance Spectra of Graphite. The basicity of tetra oxtail phage(vi) acid is 2. When a solute is added to a solvent, its freezing point is lowered from the original value of the pure solvent. c) Ammonium Phosphate, Exchange Reactions (Metathesis Reactions), Reactions between compounds that when written, seem to trade cations and anions copyright 2003-2021 Study.com. All other trademarks and copyrights are the property of their respective owners. Contact. Write a balanced dissociation equation for Na^2C0^3. Identify all of the ph. (1) KBr(s) (2) NaNO_2(s) (3) Al(NO, Use the following salts to create a 0.100 M solution. There are a series of common solubility rules that chemists memorize, but solubility charts can be consulted as well. answer: D. For the reaction of phosphorous acid (H3PO3) and potassium hydroxide (KOH), write A) potassium perchlorate B). (Al(H_2O)_6)C. Write the equations for the reaction of the following Bronsted bases with water: a. NH2OH b. SeO4^2- c. SO3^2- Please provide a brief explanation of how to write the equations. b) No, because the Zn2+ ions cannot be further oxidized. (D) F^-. A. Calculating the Concentration of a Chemical Solution, Calculate Osmotic Pressure Example Problem, Raoult's Law Example Problem - Vapor Pressure and Strong Electrolyte, Clausius-Clapeyron Equation Example Problem, How to Calculate Density - Worked Example Problem, The Difference Between Molality and Molarity, Where to Buy Saltpeter or Potassium Nitrate. d) 0.325 M The (aq) shows that they are aqueous dissolved in water.The equation for K3PO4 ( Potassium phosphate and H2O sometimes isnt considered a chemical reaction since it is easy to change the K + and PO4 3- back to K3PO4 (just let the H2O evaporate). Zn2+ (s) + CuSO4 (aq) --> ZnSO4 (aq) + Cu 2+ (aq) The dissociation of 1 mole of K3PO4 forms 3 moles of potassium ions (K^+) and 1 mole of phosphate ions (PO4^-3). "what is thebalanced dissociation equation for K^3PO^4? Chempendix - Solubility Rules - Google ONLY metals ABOVE hydrogen in the activity series are ABLE TO REACT WITH ACIDS TO FORM H2 M2 = 10 x 10/250 Legal. To show that they are dissolved in water we can write (aq) after each. a) in aluminum nitride, AlN a) Molecular: The dissociation of {eq}\rm Na_{2}CO_{3} a) ammonia d) 57.1 mL 313 Math Experts. The quantity of Cl- in a municipal water supply is determined by titrating the sample with Ag+. The initial compounds or compounds involved within the reaction are called reactants. e) Ba = +2; O = -1, A reaction between a metal and either an acid or a metal salt M=mol/L HCl is a strong electrolyte that completely ionizes in water, thus 1.5 mol of hydrogen ions are formed and 1.5 mol of chloride ions are formed to give a total of 3.0 mol of ions when in aqueous solution. Complete the equation for the dissociation of K3PO4(aq) . Rank the solutions in order of increasing electrical conductivity, knowing that the greater the number of ions in solution, the greater the conductivity. With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. Determine if it is acidic, basic or neutral when dissolved in water. {/eq}) which is a weak acid. Write the net ionic equation for the dissociation reaction that occurs when solid potassium phosphate dissolves in water: Use the pull-down boxes to specify states such as (aq) or (s). Potassium phosphate | K3PO4 or K3O4P | CID 62657 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . e) 81.0%, X = C17N19NO3 Video \(\PageIndex{1}\): Mixing Potassium Chromate and Silver Nitrate together to initiate a precipitation reaction (Equation \(\ref{4.2.1}\)). 0.003 mol H2SO4 x (2 mol NaOH/ 1 mol H2SO4) x (40 g NaOH/1 mol NaOH) = 0.24 g NaOH I. Hydrogen ion II. Like water, the hydrogen carbonate ion (HCO3-) is amphiprotic. What is its conjugate acid and base? Therefore 2.25 mol of {eq}\rm K^+{/eq} ions and 0.75 mol of {eq}\rm PO_4^{3-}{/eq} ions are formed. Potassium dihydrogen phosphate | KH2PO4 - PubChem 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. Moles solute before dilution = moles solute after dilution Metabolites | Free Full-Text | Biopreservative Effect of the Tunisian a) P2O5 mol of H2SO4 = 0.144 x 0.035 L (A) C_7H_5O_2^-. moles of solute = M x V 2 NaOH + H2SO4 --> Na2SO4 + 2 H2O Find the equilibrium concentration of calcium ions in pure water at 20 degrees Celsius by the dissociation of Ca_3 (PO_4)_2. 2 Al (s) 6 H+ --> 2 Al3+ (aq) + 3 H2 (g). M HCl = 0.00273 mol/0.0273 L In this equation H2O is the conjugate acid and its corresponding conjugate base is OH while NH3 and NH4+ represent the base and its conjugate acid pair. Solved A) The compound potassium phosphate, K3PO4 is soluble - Chegg
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