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Calculate the pH of a solution made by mixing 71mL of 0.15M HA (K a = 1.7x10 -6 ) with 4.5mL of 0.75M NaOH

Calculate the pH of a solution made by mixing 71mL of 0.15M HA (K_a= 1.7x10^-6) with 4.5mL of 0.75M NaOH

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