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The equivalent Weight of H3PO4 in the reaction:Ca(OH)2 + H3PO4 = CaHPO4 + 2H2O

The equivalent Weight of H3PO4 in the reaction:Ca(OH)2 + H3PO4 = CaHPO4 + 2H2O

Grade:12th pass

3 Answers

Rakesh kumar
17 Points
6 years ago
Equivalent weight of CA(OH)2 would be, the total mass of the compound divided by no. Of electrons gained or lost in the reaction. So here it is 2 thus the eqv. Wt would be 74/2 =32.
Shwetangi Jha
11 Points
6 years ago
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
ankit singh
askIITians Faculty 614 Points
3 years ago
2 hydrogen ions are left from the orthophosphoric acid. Molecular weight calculation. Equivalent weight of H3PO4 is 49.

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