Multiple Choice
What mass of sodium acetate should be dissolved in 250.0 mL of 0.30 M acetic acid to form a buffer of pH 5.0? [Ka for acetic acid is 1.8 × 10-5]
A) 11 g
B) 8.0 g
C) 7.5 g
D) 5.0 g
E) 1.4 g
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q21: What is the pH of a 0.30
Q22: For HClO<sub>2</sub>, Ka = 1.2 × 10<sup>-2</sup>.
Q23: In 0.100 M HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub>(aq), [H<sub>3</sub>O+(aq)] = [C<sub>2</sub>H<sub>3</sub>O<sub>2</sub><sup>-</sup>(aq)]
Q24: In the titration of 50.0 mL of
Q25: A weak acid has Ka = 4.2
Q28: What is the pH of a buffer
Q29: Determine the [F-] of the following solution.
Q31: What is the concentration of the acetate
Q73: Which of the following can act as
Q130: Which condition characterizes the stoichiometric point of