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An aqueous solution contains 0.444 M nitrous acid. Calculate the pH of the solution after the addition of 2.93×102 moles of potassium hydroxide to 150 mL of this solution. (Assume that the volume does not change upon adding potassium hydroxide). pH = Acid Formula Kąl Ką2 Каз Acetic acid CH3COOH 1.8×10-5 Acetylsalicylic acid (aspirin) HC9H7O4 3.0×10-4 Aluminum ion Al(H2O)43+ 1.2×10-5 Arsenic acid НЗASO4 | 2.5x10-4 | 5.6×10-8 3.0×10-13 Ascorbic acid H2C6H6O6 |7.9×10-5 1.6×10-12 Benzoic acid СоHsCООн 6.3х105 Carbonic acid H2CO3 | 4.2×10-7 4.8×10-11 Ferric ion Fe(H2O)63+ 4.0x10-3 Formic acid НСООН 1.8×10-4 Hydrocyanic acid НCN 4.0×10-10 Hydrofluoric acid HF 7.2×10-4 Hydrogen peroxide H2O2 | 2.4x10-12 Hydrosulfuric acid H2S 1.0×10-7 1.0×10-19 Hypochlorous acid HC10 3.5×10-8 Nitrous acid HNO2 4.5x10-4 Oxalic acid H2C2O4 5.9×10-2 6.4×10-5 Phenol C6H5OH 1.0×10-10 Phosphoric acid НзРО4 7.5x10-3 6.2×10-8 | 3.6×10-13 Sulfuric acid H2SO4 very large 1.2×10-2 Sulfurous acid H2SO3 1.7×10-2 | 6.4×10-8 Zinc ion Zn(H2O)42+ 2.5×10-10

An aqueous solution contains 0.444 M nitrous acid. Calculate the pH of the solution after the addition of 2.93×102 moles of potassium hydroxide to 150 mL of this solution. (Assume that the volume does not change upon adding potassium hydroxide). pH = Acid Formula Kąl Ką2 Каз Acetic acid CH3COOH 1.8×10-5 Acetylsalicylic acid (aspirin) HC9H7O4 3.0×10-4 Aluminum ion Al(H2O)43+ 1.2×10-5 Arsenic acid НЗASO4 | 2.5x10-4 | 5.6×10-8 3.0×10-13 Ascorbic acid H2C6H6O6 |7.9×10-5 1.6×10-12 Benzoic acid СоHsCООн 6.3х105 Carbonic acid H2CO3 | 4.2×10-7 4.8×10-11 Ferric ion Fe(H2O)63+ 4.0x10-3 Formic acid НСООН 1.8×10-4 Hydrocyanic acid НCN 4.0×10-10 Hydrofluoric acid HF 7.2×10-4 Hydrogen peroxide H2O2 | 2.4x10-12 Hydrosulfuric acid H2S 1.0×10-7 1.0×10-19 Hypochlorous acid HC10 3.5×10-8 Nitrous acid HNO2 4.5x10-4 Oxalic acid H2C2O4 5.9×10-2 6.4×10-5 Phenol C6H5OH 1.0×10-10 Phosphoric acid НзРО4 7.5x10-3 6.2×10-8 | 3.6×10-13 Sulfuric acid H2SO4 very large 1.2×10-2 Sulfurous acid H2SO3 1.7×10-2 | 6.4×10-8 Zinc ion Zn(H2O)42+ 2.5×10-10

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.125QE
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An aqueous solution contains 0.444 M nitrous acid. Calculate the pH of the solution after the addition of 2.93×102 moles of potassium hydroxide to 150 mL of this solution. (Assume that the volume does not change upon adding potassium hydroxide). pH =
Transcribed Image Text:An aqueous solution contains 0.444 M nitrous acid. Calculate the pH of the solution after the addition of 2.93×102 moles of potassium hydroxide to 150 mL of this solution. (Assume that the volume does not change upon adding potassium hydroxide). pH =
Acid Formula Kąl Ką2 Каз Acetic acid CH3COOH 1.8×10-5 Acetylsalicylic acid (aspirin) HC9H7O4 3.0×10-4 Aluminum ion Al(H2O)43+ 1.2×10-5 Arsenic acid НЗASO4 | 2.5x10-4 | 5.6×10-8 3.0×10-13 Ascorbic acid H2C6H6O6 |7.9×10-5 1.6×10-12 Benzoic acid СоHsCООн 6.3х105 Carbonic acid H2CO3 | 4.2×10-7 4.8×10-11 Ferric ion Fe(H2O)63+ 4.0x10-3 Formic acid НСООН 1.8×10-4 Hydrocyanic acid НCN 4.0×10-10 Hydrofluoric acid HF 7.2×10-4 Hydrogen peroxide H2O2 | 2.4x10-12 Hydrosulfuric acid H2S 1.0×10-7 1.0×10-19 Hypochlorous acid HC10 3.5×10-8 Nitrous acid HNO2 4.5x10-4 Oxalic acid H2C2O4 5.9×10-2 6.4×10-5 Phenol C6H5OH 1.0×10-10 Phosphoric acid НзРО4 7.5x10-3 6.2×10-8 | 3.6×10-13 Sulfuric acid H2SO4 very large 1.2×10-2 Sulfurous acid H2SO3 1.7×10-2 | 6.4×10-8 Zinc ion Zn(H2O)42+ 2.5×10-10
Transcribed Image Text:Acid Formula Kąl Ką2 Каз Acetic acid CH3COOH 1.8×10-5 Acetylsalicylic acid (aspirin) HC9H7O4 3.0×10-4 Aluminum ion Al(H2O)43+ 1.2×10-5 Arsenic acid НЗASO4 | 2.5x10-4 | 5.6×10-8 3.0×10-13 Ascorbic acid H2C6H6O6 |7.9×10-5 1.6×10-12 Benzoic acid СоHsCООн 6.3х105 Carbonic acid H2CO3 | 4.2×10-7 4.8×10-11 Ferric ion Fe(H2O)63+ 4.0x10-3 Formic acid НСООН 1.8×10-4 Hydrocyanic acid НCN 4.0×10-10 Hydrofluoric acid HF 7.2×10-4 Hydrogen peroxide H2O2 | 2.4x10-12 Hydrosulfuric acid H2S 1.0×10-7 1.0×10-19 Hypochlorous acid HC10 3.5×10-8 Nitrous acid HNO2 4.5x10-4 Oxalic acid H2C2O4 5.9×10-2 6.4×10-5 Phenol C6H5OH 1.0×10-10 Phosphoric acid НзРО4 7.5x10-3 6.2×10-8 | 3.6×10-13 Sulfuric acid H2SO4 very large 1.2×10-2 Sulfurous acid H2SO3 1.7×10-2 | 6.4×10-8 Zinc ion Zn(H2O)42+ 2.5×10-10
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