55. The mixture of magnesium oxide, magnesium carbonate

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55. The mixture of magnesium oxide, magnesium carbonate and magnesium combined in a molar ratio of 1: 3: 4 was calcined in air to a constant weight. THe 2.24 liters of gas whose volume is measured at 0 ° C and a pressure of 0.8 atm. Calculate the mass fraction (%) of magnesium in the original mixture.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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