A solution is formed by adding 2.40 grams of solid barium cyanide, Ba(CN)2, to 200.0 ml of 0.130M sodium cyanide, NaCN. Calculate the pH of the resulting solution. You may assume that the barium cyanide dissolve completely and that the change in volume is negligible with the addition of the solid.

A solution is formed by adding 2.40 grams of solid barium cyanide, Ba(CN)2, to 200.0 ml of 0.130M sodium cyanide, NaCN. Calculate the pH of the resulting solution. You may assume that the barium cyanide dissolve completely and that the change in volume is negligible with the addition of the solid.

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

A solution is formed by adding 2.40 grams of solid barium cyanide, Ba(CN)2,
to 200.0 ml of 0.130M sodium cyanide, NaCN. Calculate the pH of the
resulting solution. You may assume that the barium cyanide dissolve
completely and that the change in volume is negligible with the addition of
the solid.
pH =

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Step 2: Calculating the number of moles of barium cyanide

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Step 3: Calculating the cyanide concentration

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Step 4: ICE table

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