Asked by Mimi
Equivalent weight of H3PO4 for the given reaction, H3PO4 + Ca(OH)2 = CaHPO4 + 2H2O is?
Answers
Answered by
bobpursley
Equivalent weight stands for Molecular weight/N factorN factor means H+ or OH- exchange in case of acid and bases respectively and in case of salts it is charge on cationnow , in given Question mass of H3PO4 is 98 and N factor is 2 as 2H are donatedso equivalent weight is 98/2= 49
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