Important InformationAtomic Masses (g/mol): H = 1.01, C = 12.01, N = 14.01, O = 16.00,%DNe = 20.18, CI = 35.45, K = 39.10, Ar = 39.95,Cu = 63.55, Ag = 107.87%3D%3DwwmConstants:R = 8.314 J/mol·K = 0.08206 L·atm/mol·K%3Dww mwww mF = 96,485 C/mol = 96,485 J/V•mol%3D 8. b) Calculate the pH of a buffer that was prepared by mixing 45 mL of 0.01M aqueoushydrocyanic acid (HCN, Ka = 6.2 x 10-10) with 11 mL of 0.02M aqueous potassiumhydroxide (KOH).

Answered: Image /qna-images/answer/8d0423d2-c3e4-46fe-a1d1-3fa28be69ddd.jpg

Answered: 8. b) Calculate the pH of a buffer that…

8. b) Calculate the pH of a buffer that was prepared by mixing 45 mL of 0.01M aqueous hydrocyanic acid (HCN, Ka = 6.2 x 10-10) with 11 mL of 0.02M aqueous potassium hydroxide (KOH). %3D

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Important Information
Atomic Masses (g/mol): H = 1.01, C = 12.01, N = 14.01, O = 16.00,
%D
Ne = 20.18, CI = 35.45, K = 39.10, Ar = 39.95,
Cu = 63.55, Ag = 107.87
%3D
%3D
wwm
Constants:
R = 8.314 J/mol·K = 0.08206 L·atm/mol·K
%3D
ww m
www m
F = 96,485 C/mol = 96,485 J/V•mol
%3D

8. b) Calculate the pH of a buffer that was prepared by mixing 45 mL of 0.01M aqueous
hydrocyanic acid (HCN, Ka = 6.2 x 10-10) with 11 mL of 0.02M aqueous potassium
hydroxide (KOH).

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