A 1 liter solution contains 0.335 M acetic acid and 0.446 M sodium acetate. Addition of 0.368 moles of potassium hydroxide will: (Assume that the volume does not change upon the addition of potassium hydroxide.) O Raise the pH slightly O Lower the pH slightly O Raise the pH by several units OLower the pH by several units O Not change the pH Exceed the buffer capacity

A 1 liter solution contains 0.335 M acetic acid and 0.446 M sodium acetate. Addition of 0.368 moles of potassium hydroxide will: (Assume that the volume does not change upon the addition of potassium hydroxide.) O Raise the pH slightly O Lower the pH slightly O Raise the pH by several units OLower the pH by several units O Not change the pH Exceed the buffer capacity

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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A 1 liter solution contains 0.427 M hydrofluoric acid and 0.569 M sodium fluoride.Addition of 0.213 moles of potassium hydroxide will:(Assume that the volume does not change upon the addition of potassium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
A 1 liter solution contains 0.567 M acetic acid and 0.425 M potassium acetate.Addition of 0.213 moles of nitric acid will:(Assume that the volume does not change upon the addition of nitric acid.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
An aqueous solution contains 0.28 M hydrofluoric acid. One Liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) (Select all that apply.) 0.14 mol HBr0.28 mol NaI0.29 mol NaF0.14 mol KOH0.29 mol HBr An aqueous solution contains 0.28 M ammonia. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.29 mol NH4ClO4 0.14 mol HBr 0.29 mol HBr 0.14 mol Ca(OH)2 0.28 mol Ba(ClO4)2
3 A 1 liter solution contains 0.411 M hydrofluoric acid and 0.308 M sodium fluoride. Addition of 0.339 moles of nitric acid will: (Assume that the volume does not change upon the addition of nitric acid.) Raise the pH slightly O Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
An aqueous solution contains 0.25 M nitrous acid. One Liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) (Select all that apply.) 0.12 mol HI 00.12 mol KOH 00.26 mol HI 0.25 mol KCl 0.26 mol KNO2
A 1 liter solution contains 0.324 M acetic acid and 0.243 M potassium acetate.Addition of 0.122 moles of hydrobromic acid will:(Assume that the volume does not change upon the addition of hydrobromic acid.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
An aqueous solution contains 0.26 M ammonium iodide. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) (Select all that apply.) 0.25 mol NH3 0.26 mol HNO3 0.12 mol HNO3 0.25 mol Nal 0.06 mol Ca(OH)2
A1 liter solution contains 0.395 M hypochlorous acid and 0.526 M potassium hypochlorite. Addition of 0.434 moles of calcium hydroxide will: (Assume that the volume does not change upon the addition of calcium hydroxide.) O Raise the pH slightly Lower the pH slightly |Raise the pH by several units | Lower the pH by several units O Not change the pH Exceed the buffer capacity
A 1 liter solution contains 0.357 M hydrofluoric acid and 0.268 M potassium fluoride. Addition of 0.295 moles of hydrobromic acid will: (Assume that the volume does not change upon the addition of hydrobromic acid.) Raise the pH slightly O Lower the pH slightly Raise the pH by several units O Lower the pH by several units O Not change the pH O Exceed the buffer capacity
1) A 1 liter solution contains 0.363 M nitrous acid and 0.484 M sodium nitrite.Addition of 0.399 moles of potassium hydroxide will:(Assume that the volume does not change upon the addition of potassium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity 2) A 1 liter solution contains 0.364 M hydrocyanic acid and 0.485 M sodium cyanide.Addition of 0.182 moles of potassium hydroxide will:(Assume that the volume does not change upon the addition of potassium hydroxide.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity
A 1 liter solution contains 0.485 M ammonium bromide and 0.364 M ammonia.Addition of 0.400 moles of perchloric acid will:(Assume that the volume does not change upon the addition of perchloric acid.) Raise the pH slightly Lower the pH slightly Raise the pH by several units Lower the pH by several units Not change the pH Exceed the buffer capacity