What mass of NaF must be added to 50.0 mL of a 0.500 M HF solution to achieve a pH of 3.25? For HF, K_a = 7.2 × 10⁻⁴. A)1.3 g B)0.69 g C)6.9 g D)23 g E)1.5 g

Name: What mass of NaF must be added to 50.0 mL of a 0.500 M HF solution to achieve a pH of 3.25? For HF, K a = 7.2 × 10 − 4 . A)1.3 g B)0.69 g C)6.9 g D)23 g E)1.5 g
Brand: Quizplus
Rating: 4.8 (35 reviews)

Question

Quizplus · Accepted Answer

The correct answer is A because the mass of NaF that must be added to 50.0 mL of a 0.500 M HF solution to achieve a pH of 3.25 is 1.3 g.

What Mass of NaF Must Be Added to 50