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Question

Calculate the equivalent weight of H2SO4 in the following reaction is ?
Na2Cr2O7+3SO2+H2SO43Na2SO4+Cr2(SO4)3+H2O

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Solution

H2SO4 is a dibasic acid i.e. basicity is 2
In other way 1 mole of H2SO4 will give 2 moles of H+ .
In the given it reacts with Na2Cr2O7.
Equivalent mass of H2SO4 is Molecular mass2=982=49

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