What is the [H3O+] in a solution resulting from mixing of 100. mL of 0.100 M HCN and 10.0 mL of 0.100 M KOH?
a. 9.1 × 10^-3 M
b. 5.7 × 10^-6 M
c. 3.6 × 10^-9 M
d. 8.2 × 10^-5 M
e. 2.0 × 10^-8 M
Answer: C
Chemistry
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