Multiple Choice
What is the hydronium-ion concentration of a 0.25 M solution of HCN (Ka = 4.9 × 10-10) at 25°C?
A) 1.6 × 10-4 M
B) 3.3 × 10-6 M
C) 2.1 × 10-6 M
D) 1.1 × 10-5 M
E) 4.4 × 10-5 M
Correct Answer:
Verified
Correct Answer:
Verified
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