Explain what mass of nah2po4 must be added to na2hpo4

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What mass of NaH2PO4 must be added to 1.20 L of 0.20 M Na2HPO4 to make a buffer solution whose pH=6.90? pKa2(H3PO4)=7.21.

Reference no: EM13516206

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Explain what mass of nah2po4 must be added to na2hpo4 : What mass of NaH2PO4 must be added to 1.20 L of 0.20 M Na2HPO4 to make a buffer solution whose pH=6.90? pKa2(H3PO4)=7.21.
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