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If 50.00mL of 1.00 M HC2H3O2 (Ka= 1.8x 10^-5) is titrated with 1.00M NaOH. Explain what is the pH of the solution after the subsequent volumes of NaOH have been added?

a) 0mL
b) 25.00 mL
c) 49.90 mL
d) 50.10 mL

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