The equivalent mass of Na2S2O3 as reductant in the reaction is Mx,
Na2S2O3+5H2O+4Cl2⟶2NaHSO4+8HCl
The value of x is _____.
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Solution
Na2S2O3+5H2O+4Cl2⟶2NaHSO4+8HCl +2 +6 As each S changes its oxidation by 4, total change in oxidation for one molecule of Na2S2O3=8 So, its equivalent weight is M8.