Question:
A mixture of CaCO3 and CaO weighing 0.693 g was heated to
Last updated: 8/4/2022
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A mixture of CaCO3 and CaO weighing 0.693 g was heated to produce gaseous CO₂. After heating, the remaining solid weighed 0.508 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.