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26. If the masses of Cr and oxygen are in the ratio 13 ratio 12 in CrO3 then the ratio of oxygen that combines with same mass of CR in Cr2o3 and cr2 O7

Answer» 26. If the masses of Cr and oxygen are in the ratio 13 ratio 12 in CrO3 then the ratio of oxygen that combines with same mass of CR in Cr2o3 and cr2 O7


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