State the chemical equations representing the first

Reference no: EM13258974

1. Phosphoric acid, H3PO4, is a triprotic acid with pKa's of 2.15, 7.20, and 12.35.

a) Write the chemical equations representing the first, second, and third acid dissociations.

b) 100mL 0.050 M phosphoric acid is titrated with 0.10 M NaOH. Calculate the pH of the solution after 25mL of NaOH have been added.

Reference no: EM13258974

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