What mass of nah2po4must be added to 120 l of 020 m


What mass of NaH2PO4must be added to 1.20 L of 0.20 M Na2HPO4to make a buffer solution whose pH=6.90? pKa2(H3PO4)=7.21.

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Chemistry: What mass of nah2po4must be added to 120 l of 020 m
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