Calculate the equivalent weight of KOH with the help of following reaction.2KOH+H2SO4⟶K2SO4+2H2O (at. wt., K=39,O=16,H=1 ).

Mol. wt.  of KOH=39+16+1=56gmol−Reaction.2KOH         +       H2SO4⟶       K2SO4    +    2H2O 2molecules            2H+ions            no H+-ion 22=1  molecule     22=1H+ion ∴ no. of H+ions  that react with one molecule of KOH=1-0=1∴ Eq. wt. of KOH= Mol. wt. of KOH no. of H+ions that react                                  with one molecule of KOH                             =561=56 Ans.