Multiple Choice
How much solid NaCN must be added to 1.0 L of a 0.5 M HCN solution to produce a solution with pH 7.0? Ka = 6.2 × 10-10 for HCN.
A) 0.0034 g
B) 0.15 g
C) 160 g
D) 24 g
E) 11 g
Correct Answer:

Verified
Correct Answer:
Verified
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