Answered: converted into a buffer by the addition…

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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An aqueous solution contains 0.20 M hydrocyanic 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.)

0.21 mol KCN

0.21 mol HI

0.20 mol KBr

0.050 mol Ba(OH)₂

0.10 mol HI

b. An aqueous solution contains 0.18 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.)

0.18 mol HNO₃

0.17 mol KI

0.08 mol HNO₃

0.08 mol KOH

0.17 mol NH₃

_c.

An aqueous solution contains 0.33 M sodium fluoride.

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.)

0.16 mol KOH

0.33 mol HCl

0.32 mol NaCl

0.32 mol HF

0.16 mol HCl

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