Sodium phosphate, Na 3 PO 4 , is made commercially by first neutralizing phosphoric acid with sodium

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Sodium phosphate, Na3PO4, is made commercially by first neutralizing phosphoric acid with sodium carbonate to obtain Na2HPO4. The Na2HPO4 is further neutralized to Na3PO4 with 

(a) Write net ionic equations for these reactions.

(b) Na2CO3 is a much cheaper base than is NaOH. Why do you suppose that NaOH must be used as well as Na2CO3 to produce Na3PO4?

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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