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What Mass of Sodium Hydroxide Must Be Added to 60

Question 145

Multiple Choice

What mass of sodium hydroxide must be added to 60.0 mL of 0.978 M acetic acid in order to create a buffer with a pH of 4.59? Ka for acetic acid is 1.8 × 10-5.


A) 28 g
B) 0.96 g
C) 1 g
D) 0 g
E) 2.3 g

Correct Answer:

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