Q.

Calculate the equivalent weight of H2SO4 in the reaction,         H2SO4+KOH⟶KHSO4+H2O (at. wt., H=1,S=32,O=16 )

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answer is 98.

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Detailed Solution

Mol. wt. of H2SO4=(2×1)+32+(4×16)                              =98 g mol−Reaction.              H2SO4+KOH⟶KHSO4+H2O           1 molecule                 one H-atom          = 2 H-atoms∴  No. of replaceable H-atoms in one molecule of H2SO4=2 H-atoms −1 H-atom =1 H-atom ∴ Eq. wt. of H2SO4= Mol. wt. of H2SO4 no. of replaceable H-atoms =981=98 Ans.
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