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  • Find the equivalent mass of H3PO4<span style="background-color:tr

Find the equivalent mass of H3PO4 in the reaction:

\mathrm{Ca(OH)_2 + H_3PO_4 \rightarrow CaHPO_4 + 2H_2O}

Option: 1

55


Option: 2

43


Option: 3

49


Option: 4

37


Answers (1)

best_answer

In this given reaction only two hydrogen atoms are replaced so its equivalent mass will be given as follows:

Equivalent mass of H3PO4 = (Molecular Mass of H3PO4 ) / 2

\therefore  98 / 2 = 49

\therefore  Option (3) is correct

Posted by

SANGALDEEP SINGH

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