H3PO4 (aq) + 2 NaOH (aq) → Na2HPO4 (aq) + 2 H2O (ℓ)

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Enter a mass or volume in one of the boxes below. Upon hitting submit, the stoichiometric equivalents will be calculated for the remaining reactants and products. All gases are assumed to be at STP.

H3PO4          Mass: g  or Solution Volume: mL of Concentration: mol/L
NaOH           Mass: g  or Solution Volume: mL of Concentration: mol/L
Na2HPO4        Mass: g
H2O            Mass: g


Silberberg, Martin S. Chemistry: The Molecular Nature of Matter and Change 4th ed.; McGraw-Hill: Boston, MA, 2006; p 127.

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