1.

If we have a pure MgCO3 sample that contains a total of 1.26 millimoles of electrons, the number of moles of MgCO3 present in the sample is x×10−5, x is.

Answer» If we have a pure MgCO3 sample that contains a total of 1.26 millimoles of electrons, the number of moles of MgCO3 present in the sample is x×105, x is.


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