I. Consider a 1.00 L of 1.50x10^-3 M hydrocyanic acid (HCN, K=4.9×10^-10) 1. Write the equilibrium expression. 2. Calculate the pH of the solution. 3. If a 9.00x10^-4 mol sodium cyanide, NaCN, is added, what is the pH of the resulting solution? Assume negligible volume change.

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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.