Multiple Choice
How many mL of 0.200 M aqueous acetic acid are mixed with 13.2 mL of 0.200 M aqueous sodium acetate to give a buffer with pH = 4.2? (Ka for acetic acid is 1.8 × 10-5)
A) 37 mL
B) 18 mL
C) 3.8 mL
D) 14 mL
E) 46 mL
Correct Answer:

Verified
Correct Answer:
Verified
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