Q 2644791653.     0.4g of a polybasic acid `H_nA` (all the hydrogens are acidic) requires 0.5g of NaOH for complete neutralization. The number of replaceable hydrogen atoms in the acid and the molecular weight of 'A' would be : (Molecular weight of the acid is 96 gms.)

A

1, 95

B

2, 94

C

3, 93

D

4, 92

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