In the reaction, H 3 P O 4 + C a ( O H ) 2 → C a H P O 4 + 2 H 2 O , the equivalent mass of H 3 P O 4 is

Question

In the reaction, H 3 P O 4 + C a ( O H ) 2 → C a H P O 4 + 2 H 2 O , the equivalent mass of H 3 P O 4 is, 49 g, 32.7 g, 196 g, 98 g

MARKS App · Accepted Answer

In the reaction H 3 P O 4 + C a ( O H ) 2 → C a HP O 4 + 2 H 2 O , Basicity of phosphoric acid is 2. Thus, equivalent mass of H 3 P O 4 = M o l e c u l a r m a s s B a s i c i t y = 98 2 = 49 g .

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