We are asked to calculate for the mass percent (mass %) of MgCO3 in 0.3028 gram sample of this limestone
To do that we’re going to use the mass percent formula shown below:
A sample of dolomite limestone containing only CaCO3 and MgCO3 was analyzed. When a .3028 gram sample of this limestone was decomposed by heating, .082 L of CO2 at 754 mmHg and 22 degrees Celsius were evolved. The initial sample contained .05112 grams of magnesium. What percent of the limestone by mass is MgCO3?
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