Neutralization of phosphate . Given that phosphoricacid (H3PO4) can give up three protons with different pKa values, sketch a plot of pH as a function of added drops of sodium hydroxide solution, starting with a solution of phosphoric acid at pH 1.0.

Q: What is the oxidizing agent (oxidant) when acidified potassium permanganate reacts with hydrogen…

A: Potassium permanganate is acting as an oxidising agent with hydrogen peroxide. Hydrogen peroxide…

Q: Calculate the K.E. of molecule of helium in 1 cm3 of volume at a pressure of 2 atmosphere.

A: Volume = 1cm3. We know 1000cm3 = 1L So 1cm3 = 1x 10-3 L Pressure = 2atm  R = 0.0820 L atm mol-1s-1…

Q: How the aqueous chemistry of amphoteric hydroxides involves precipitation, complex-ion formation,…

A: The aqueous solution is the one in which the solvent is water. Different chemical reactions can be…

Q: The pH of an aqueous solution of weak monoprotic acid is 3.15. What is the initial…

A: Value of pH is sued to measure acidity or basicity of a solution. Value of pH lies in the range from…

Q: Write the chemical reaction for the conversion of CO2 to HCO3-, including the enzyme that catalyzes…

A: The chemical reaction involved in the conversion of CO2 to HCO3- is, CO2 + H2O <=> H2CO3…

Q: . Give complete chemical equations of the following reactions a. Oxalic acid + Sodium hydroxide > b.…

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: Calculate the PH Of Soution Prepared by adding D.Lomole of NADH to a Solution Containing D:20…

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Q: What is the pH of a 0.40 M solution of sodium nitrate, NaNO2 ? The pKa for nitrous acid (HNO2) is…

A: Base dissociation constant Kb is utilized to determine the basic nature of a solution. It refers to…

Q: Baking powder contains sodium bicarbonate plus an acidic salt like sodium acid tartrate or calcium…

A: Please find your solution below : Baking powder is a mixture of sodium bicarbonate (NaHCO3), other…

Q: Consider the acid HXOy where X is a halogen that is less electronegative than oxygen. Which of the…

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Q: What is the pH of a 0.173 M solution of a hydrogen sulfide? The pKa at the temperature of the…

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Q: 4a) Explain how NaHCO, can act as both an acid and a base in aqueous chemical reactions. Use…

A: 4a) NaHCO3 can act as an acid and a base in aqueous chemical reactions. NaHCO3 is completely ionized…

Q: The first step in the preparation of magnesium metal is the precipitation of Mg(OH)2 from sea water…

A: At certain temperature, the mixing property of components is determined by their solubility product…

Q: how to Distinguish AgNO3 from Ba(NO3)2

A: Silver nitrate and barium nitrate are soluble in water but the chloride salt of silver is insoluble…

Q: The pH of a 0.02M solution of a weak acid was measure at 4.6 a. What is the [H+] in this solution?…

A: Given : pH = 4.6  Molar concentration of weak acid = 0.02 M

Q: How does pKa relate to acid strength?

A: For any weak acid, let's say HA, pKa is the relationship between the dissociation constant of acid.…

Q: Write the equilibrium constant expression for the formation of thiocyanoiron (III) from iron (III)…

A: The formation reaction of thiocyanoiron (III) is given as, => Fe3+ (aq) + SCN- (aq)…

Q: Write the equation for the reaction of Pb2 with CrO42-.

A: The reaction between Pb+2 and CrO4-2 is a precipitation reaction.

Q: What is the conjugate acid of HPO42− ?

A: When the base is added with a hydrogen ion i.e H+ ion it gives the conjugate acid of that base.

Q: Which is more acidic? Is the most dangerous acid the strongest acid? Include a comparison of pH and…

A: Acidic character of a compound can be explained from the values of equilibrium constant. If the…

Q: The ionization constant Ka for nitrous acid is 4.6x10⁻⁴. What are the the pKa for nitrous acid and…

A: Given : Ka of HNO2 i.e nitrous acid = 4.6 X 10-4  And concentration of HNO2 = 0.1 M The ionisation…

Q: Identify the Lewis acid, Lewis base, conjugate acid and conjugate base for the reaction of…

A: According to the Bronsted Lowry theory of acid and base,

Q: The reaction of calcium hydride, CaH2, with water can be characterized as a Lewis acid-base…

A: In the given chemical reaction of calcium hydride with water: The ions are separated as: Here, the…

Q: The Properties, Reactions and Applications of Oxygen Pick a row in the periodic table and using the…

A: Answer - Periodic table - The periodic table, also known as the periodic table of elements, is a…

Q: Most PFAAS have extremely low pka values (< 1), while oceans and rivers tend to be slightly basic…

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Q: What is the pH of a 0.473 solution of sodium hypobromite (NaOBr)? The Ka of hypobromous acid is 2.24…

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Q: At what pH is the concentration of a compound, with a pKa = 8.4, 100 times greater in its basic form…

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Q: 6. The pKa of lactic acid (CH3CH(OH)COOH) at 298 K is 3.85 write the equilibrium expression for this…

A: Lactic acid is a weak acid. The weak acid dissociates partially in the aqueous solution to give…

Q: A 0.100 M solution of nitrous acid (HNO2) had a pH of 2.07. What is the Ka value for nitrous acid.…

A: We are given Nitrous acid and its pH. We have to find Ka. Concentration of nitrous acid = 0.1 M

Q: From the reaction CaCO3+CO2+H2O= Ca2+ + 2HCO3-   A.) Show how it affects the chemistry of water,…

A: CaCO3 is a salt of a weak acid, H2CO3, and strong base, Ca(OH)2, therefor the solution of CaCO3 is…

Q: Can Ag+ , Pb2+ and Hg22+ be separated if ammonia is first added to an aqueous mixture of these three…

A: Ag+, pb2+ , and Hg22+ are group 1 cations. These cations produce insoluble chlorides so  that they…

Q: The value of Ka for nitrous acid 1HNO22 at 25 °C is given in Appendix D. (a) Write the chemical…

A: The acid dissociation constant is the equilibrium constant of the dissociation reaction of an acid…

Q: A 0.200 M solution of nitrous acid (HNO,) had a pH of 2.07. What is the Ka value for nitrous acid 1.…

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Q: Dihydrogen phosphate, H₂PO₄⁻(aq), undergoes the following acid base equilibria in blood: H₂PO₄⁻(aq)…

A: The Henderson-Hasselbalch equation is expressed as, pH=pKa+logA-HA......(1) Where, [A-] is the…

Q: Given 0.75 M solutions of acetic acid (pKa = 4.76) and sodium acetate, what is the ratio of…

A: Given: PKa of acid = 4.76 pH of solution = 6.3

Q: 20 The figure below shows dry hydrogen gas is passed over a powdered oxide of powdered X dry…

A: Reaction of dry Hydrogen with powdered metal oxide is as follows: H2+ XO→X+H2O . So, the products…

Q: If the acetate to acetic acid ratio of a solution is five, what is its pH? The pKa of acetic acid is…

A: We have to determine the pH of a solution which has both acetic acid and acetate ion and the acetate…

Q: At what pH is the concentration of a compound, with a pKa = 3.7, 10 times greater in its acidic form…

A: Given information: pKa = 3.7 [Acid] = 10[Base]

Q: Express the equilibrium constant for the following reaction: 2Na(s) - 24,O) = 2NaOH(3q) + H,(G) O K-…

A: Equilibrium constant on terms of concentration is denoted by Kc and is the ratio of the product…

Q: Carbonic acid, H2CO3, undergoes the following acid base equilibria: H2CO3,=H*(aq) + HCO;¯(aq) =…

A: The relation between pKa and pH can be known as, ph = pKa + logsaltacid

Q: Write the reactions of the hydrolysis of sodium tripolyphosphate (Na5P3O10) in aqueous solution.

A: Sodium triphosphate undergoes hydrolysis to form sodium tetraphosphate and sodium hydroxide. This…

Q: The donated proton from acids reacts strongly with non-binding electron pairs of water OOOO…

A: Non Bonding Electron Pair A lone pair, also known as an un-shared pair or a non-bonding pair, is an…

Q: Determine the pH of a 10-3 mol/L solution of (a) hydrogen sulfate ion (pKa = 1.99), (b) formic acid…

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Q: If 4.381 g of sodium dihydrogenphosphate and 5.207 g of disodium hydrogenphosphate are dissolved in…

A: Given : Mass of sodium dihydrogenphosphate i.e NaH2PO4 = 4.381 g Mass of disodium hydrogenphosphate…

Q: For HClO2, Ka= 1.2 × 10-2. What is the pH of an aqueous solution in which [NaClO2] = 0.193 M and…

A: Buffer solution is the solution which contains both acidic as well as basic part. The pH of buffer…

Q: Deionized water at 10c  in which Kw = 2.89e-15 , pkw= 14.539  what is the pH , poH , [OH], [H3O+]?

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Q: Write the reactions of EDTA in the ionization steps.

A: EDTA stands for - Ethylenediaminetetraacetic acid is polyprotic acid with 4 different ionization…

Q: For pH values of 2.00, 6.00, and 10.00, calculate the alpha values for each species in an aqueous…

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