Physics, asked by Malarbeaul6084, 1 year ago

The equivalent mass of h 3 p o 4 and n a 2 h p o 4 in the reaction 2 n a o h + h 3 p o 4 → n a 2 h p o 4 + 2 h 2 o are respectively:

Answers

Answered by jagmanpal42
10
Molar Mass of h3po4 =  97.99 g/mol≈ 98 g/mol

Equivalent Mass = Molar Mass/ n factor
E.M. of h3po4 = 98/2 = 49 g/mol

Molar Mass of Na2hpo4 = 141.9 g/mol ≈ 142 g/mol

E.M. of na2hpo4 = 142/3 = 47.3 g/mol
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