Problem: Magnesium carbonate (MgCO3) and calcium carbonate (CaCO3) both decompose when heated, forming CO2 gas and the corresponding oxides.MgCO3(s) → CO2(g) + MgO(s)CaCO3(s) → CO2(g) + CaO(s)When a particular mixture of MgCO3 and CaCO3 is heated, it releases 47% of its mass as CO 2, so that the oxide products have 53% of the mass of the original sample. What mass percentage of MgCO3 was present in the original mixture?

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Magnesium carbonate (MgCO3) and calcium carbonate (CaCO3) both decompose when heated, forming CO2 gas and the corresponding oxides.

MgCO3(s) → CO2(g) + MgO(s)

CaCO3(s) → CO2(g) + CaO(s)

When a particular mixture of MgCO3 and CaCO3 is heated, it releases 47% of its mass as CO 2, so that the oxide products have 53% of the mass of the original sample. What mass percentage of MgCO3 was present in the original mixture?

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Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.