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What is the pH of a 0.560 M solution of NaCN (Ka of HCN is 4.9 × 10-10)? Pi Etat St J l';lkjhg

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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Question

What is the pH of a 0.560 M solution of NaCN (Ka of HCN is 4.9
× 10-10)?
Pi
Etat
St J
l';lkjhg

Expert Solution

Step 1

NaCl is a sakti of mixture of strong base NaOH and weak acid HCN

So use the pH of salt formula to get the answer

PH= 11.52

Step by step

Solved in 2 steps with 1 images

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