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.

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Chapter1: Chemical Foundations
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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.
Transcribed Image Text: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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