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How Many Salts Can Be Obtained from Ortho Phosphoric Acid? is There Any Difference in the Salts Formed by the Acid? - Chemistry

Short Note

How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?

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Ortho phosphoric acid is H3PO4 i.e; a tribasic acid has three replaceable hydrogen atoms so it forms three series of salts, namely two acid salts and a normal salt, with NaOH as:
NaOH + H3PO→ NaH2PO4 + H2O
                                      Acid salt
                       ( Monosodium hydrogen salt )

2NaOH + H3PO4 → Na2HPO4 + 2H2O
                                      Acid salt
                       ( Disodium hydrogen phosphate )

3NaOH + H3PO→ Na3PO4 + 3H2O
                                     Normal salt
                          ( Sodium Phosphate )    

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Frank ICSE Class 10 Chemistry Part 2
Chapter 3 Study Of Acids, Bases and Salts
Exercise | Q 9.2 | Page 71
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