Mass balance and charge balance to deterimne the ph

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Reference no: EM13183168

1000g of Na2HPO4 is dissolved in 100mL of water. using mass balance and charge balance deterimne the pH of the resulting.

H3PO4+H2O<->H2PO4- +H3O Ka1= 7.11*10^-3

H2PO4^- +H2O<->HPO4- +H3O Ka2= 6.34*10^-8

HPO4^- +H2O<->PO4^3- +H3O Ka3= 4.22*10^-13

Reference no: EM13183168

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