Which of the following acids should be used to prepare a buffer with a pH of 4.5? A)HOC₆H₄OCOOH,K_a = 1.0 $\times$ 10^-3 B)C₆H₄(COOH)₂,K_a = 2.9 $\times$ 10^-4 C)CH₃COOH,K_a = 1.8 $\times$ 10^-5 D)C₅H₅O₅COOH^-2,K_a = 4.0 $\times$ 10^-6 E)HBrO,K_a = 2.3 $\times$ 10^-9

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The Answer of Which of the following acids should be used to prepare a buffer with a pH of 4.5? A)HOC₆H₄OCOOH,K_a = 1.0 $\times$ 10^-3 B)C₆H₄(COOH)₂,K_a = 2.9 $\times$ 10^-4 C)CH₃COOH,K_a = 1.8 $\times$ 10^-5 D)C₅H₅O₅COOH^-2,K_a = 4.0 $\times$ 10^-6 E)HBrO,K_a = 2.3 $\times$ 10^-9

Which of the Following Acids Should Be Used to Prepare ×\times×

Which of the Following Acids Should Be Used to Prepare $\times$