Multiple Choice
Calculate the concentration of [H+] of a buffered solution containing 5.0 × 10−4 M HCN (Ka = 6.2 × 10−10) and 1.5 × 10−4 M NaCN.
A) 3.06 × 10−9 M
B) 0.22 × 10−9 M
C) 2.07 × 10−9 M
D) 4.12 × 10−9 M
E) 4.58 × 10−9 M
Correct Answer:
Verified
Correct Answer:
Verified
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