General Chemistry
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75.0 mL of 1.50 M H3AsO4 is titrated with 1.50 M NaOH. What is the pH for the titration after 150.0 mL of base is added? (H3AsO4; Ka1 = 5.5×10−3, Ka2 = 1.7×10−7, Ka3 = 5.1×10−12)