Which Is the Best Acid to Use in the Preparation

question 105

Multiple Choice

Which is the best acid to use in the preparation of a buffer with pH = 3.3?

• A)HOI (K_a = 2.0 × 10^-11)
• B)HNO₂ (K_a = 4.5 × 10^-4)
• C)HNO₃
• D)HIO₃ (K_a = 1.7 × 10^-1)

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