You are given 0.904 g of an unknown diprotic acid, H2A. It reacts with NaOH according to this balanced equation: H2A(aq) + 2 NaOH(aq) Na2A(aq) + 2 H2O(1) If a volume of 24.9 mL of 0.568 M NaOH is required to react with all of the acid, what is the molar mass of the acid?

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