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    Hey guys and girls, just wondering how would you do atom economy calculation if you are only given limited information as follows.
    Consider A+B -> C where A is aqueous and B is gaseous, 10g of catalysts and solvent, as well as 200g of A is added. The MR of A is 20 and MR of B is 10. The final yield gives 82.5 weight percentage for C. Assume B is in excess.

    how would you do this, surely the weight percentage would include the reacted B in the atmosphere so the 82.5% is definitely not limited to 82.5% of sum of given weight of reactants.....

    thanks in advance
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