0.25g of an acid was exactly neutralized by 40ml of 0.125N base. The equivalent wt of the acid is

Dear Student,

For complete neutralisation,  equivalent of acid= equivalent of baseand,  equivalent = N×VTherefore,  equivalent of base= 0.125×0.40=0.05 equiv.Also,  equivalent=MassEquivalent weightand,  equivalent of acid= 0.05Therefore, Equivalent weight= Mass equivalent = 0.250.05= 5 g-eq 

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