Multiple Choice
Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 × 10-4]
A) 0.00
B) 3.00
C) 3.70
D) 4.40
E) 5.00
Correct Answer:

Verified
Correct Answer:
Verified
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