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Determine the pH of a buffer solution prepared by mixing 23.1mL of 0.28M HA (K a = 4.3x10 -5 ) with 22.4mL of 0.21M NaA.

Determine the pH of a buffer solution prepared by mixing 23.1mL of 0.28M HA (K_a= 4.3x10^-5) with 22.4mL of 0.21M NaA.

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