What is the pH of a solution prepared by mixing 0.250 mol of hydrazoic acid, HN3, and 0.500 mol of sodium azide, NaN3, to make 1.00 liter of solution?
( K a = 1.9×10 - 5)
A) 4.42
B) 5.02
C) 9.58
D) 4.72
E) 8.98
Correct Answer:
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