Multiple Choice
How many moles of sodium acetate must be added to 500.0 mL of 0.250 M acetic acid solution to produce a solution with a pH of 4.94? (The pKa of acetic acid is 4.74.)
A) 0.011 moles
B) 0.021 moles
C) 0.13 moles
D) 0.20 moles
E) 0.21 moles
Correct Answer:
Verified
Correct Answer:
Verified
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