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  1. The redox reaction, Na2S2O3 changes to Na2S4O6
    What is the equivalent-weight of Na2S3O3 ?
    1. Same as its molecular weight
    2. 1/2 x its molecular weight
    3. 1/3 x its molecular weight
    4. 1/4 x its molecular weight
Correct Option: A

NA



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