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A 43.2 mL sample of 0.3870 M selenious acid, HSeO3, is titrated with 0.3870 M potassium hydroxide. What is the pH after 21.6 mL,

A 43.2 mL sample of 0.3870 M selenious acid, HSeO3, is titrated with 0.3870 M potassium hydroxide. What is the pH after 21.6 mL, 43.2 mL, 64.8 mL and 86.4 mL of KOH have been added? step mL KOH added PH 1 21.6 2 3 4 43.2 64.8 86.4 The first and second ionization constants for HSeO3 are 2.4103 and 4.810-

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