Predict if an aqueous solution of 0.5 M sodium cyanide, NaCN, would be acidic, neutral, or basic at 298 K. 2. Write the correct hydrolysis reaction that would be used to calculate the pH of the solution. 3. Create and fill in an ICE table below your reaction in part 2, using x as the variable.  Do NOT make assumptions about the size of x; include all terms. 4. Which equilibrium constant is needed?  Substitute your terms into

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 107AP
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1. Predict if an aqueous solution of 0.5 M sodium cyanide, NaCN, would be acidic, neutral, or basic at 298 K.

2. Write the correct hydrolysis reaction that would be used to calculate the pH of the solution.

3. Create and fill in an ICE table below your reaction in part 2, using x as the variable.  Do NOT make assumptions about the size of x; include all terms.

4. Which equilibrium constant is needed?  Substitute your terms into the expression for the appropriate equilibrium constant. Do NOT make assumptions about the size of x; include all terms. 

Do NOT look up the value of K, solve for x or calculate the pH; you're done.

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