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Determine the pH and the concentrations of all aqueous species (Na+ , H+ , OH– ,...

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Chemistry

Determine the pH and the concentrations of all aqueous species(Na+ , H+ , OH– , H3PO4, H2PO4 – , HPO4 2– , and PO4 3– ) in a0.500 M Na3PO4 solution. (Note that this is a sodium phosphatesolution, not a phosphoric acid solution!)

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3.9 Ratings (740 Votes)
Na3PO4 is completely dissociated to 3 Na andPO43 when dissolved in waterNa3PO4 3Na PO43Initial 0500 M 0 0Aftdissn 0 M 30500M 0500 MHence concentration of Na Na 30500M 150 M answerNow 0500 MPO43 will undergohydrolysis to formHPO42firsthydrolysis PO43 H2O HPO42 OH    See Answer
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