What Mass of Sodium Hydroxide Must Be Added to 40 $\times$

question 41

Multiple Choice

What mass of sodium hydroxide must be added to 40.0 mL of 0.607 M acetic acid in order to create a buffer with a pH of 4.66? K_a for acetic acid is 1.8 $\times$ 10^-5.

• A) 33 g
• B) 0.44 g
• C) 1.0 g
• D) 0.000035 g
• E) 0.97 g