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500.0 mL of 0.110 M NaOH is added to 625 mL of 0.250 M weak acid (Ka = 3.63 Ã 10-5). What is the pH of the resulting buffer?
500.0 mL of 0.110 M NaOH is added to 575 mL of 0.250 M weak acid (Ka = 6.21 Ã 10-5). What is the pH of the resulting buffer?