Choose the Effective PH Range of a HF/NaF Buffer

question 202

Multiple Choice

Choose the effective pH range of a HF/NaF buffer.For HF,K_a = 3.5 * 10^-4.

• A) 6.0-8.0
• B) 9.6-11.6
• C) 5.0-7.0
• D) 0.7-2.7
• E) 2.5-4.5

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