Which is the best choice for preparing a buffer with a pH of 3.5? O C6H4(COOH)2 (Ka = 2.9 × 10-4) and its conjugate base HBrO (Ka = 2.3 x 10-9) and its conjugate base C5H505COOH (Ka 4.0 x 10-6) and its conjugate base HOC6H40COOH (Ka = 1.0 x 10-3) and its conjugate base CH3COOH (Ka = 1.8 x10-5) and its conjugate base O

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Chapter1: Chemical Foundations
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Which is the best choice for preparing a buffer with a pH of 3.5?
O
C6H4(COOH)2 (Ka = 2.9 x 10-4) and its conjugate base
HBrO (Ka = 2.3 x 10-9) and its conjugate base
C5H505COOH (Ka 4.0 x 10-6) and its conjugate base
HOC6H40COOH (Ka = 1.0 x 10-3) and its conjugate base
CH3COOH (Ka = 1.8 x10-5) and its conjugate base
O
Transcribed Image Text:Which is the best choice for preparing a buffer with a pH of 3.5? O C6H4(COOH)2 (Ka = 2.9 x 10-4) and its conjugate base HBrO (Ka = 2.3 x 10-9) and its conjugate base C5H505COOH (Ka 4.0 x 10-6) and its conjugate base HOC6H40COOH (Ka = 1.0 x 10-3) and its conjugate base CH3COOH (Ka = 1.8 x10-5) and its conjugate base O
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