Hydrogen cyanide gas (HCN), a powerful respiratory inhibitor, is highly toxic. It is a
Chapter 15, Problem 15.10(choose chapter or problem)
Hydrogen cyanide gas (HCN), a powerful respiratory inhibitor, is highly toxic. It is a very weak acid (Ka 5 6.2 3 10210) when dissolved in water. If a 50.0-mL sample of 0.100 M HCN is titrated with 0.100 M NaOH, calculate the pH of the solution a. after 8.00 mL of 0.100 M NaOH has been added. b. at the halfway point of the titration. c. at the equivalence point of the titration.
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