Question

Molecular weight of MCO2 is 100 .then the molecular weight mcr2o7

Answer 1

Explanation:

MCO2 weight is 100

M+ 44 = 100 (CO2 Molar mass is 44)

M = 56, Molar mass of M

Thus, Molar mass of MCr2O7 is = 56+2×51+7×16 = 272g

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