0.3 g of an acid is neutralised by 40 cm3 of 0.125 N NaOH. Equivalent mass of the acid is
0 cm3 of 0.125 N NaOH neutralise acid = 0.3 g
= 60 g
1000 cm3 of N NaOH contain one gram equivalent of NaOH. It willneutralise one gram equivalent of the acid.
Hence, equivalent weight of acid = 60
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