A mixture of CaCO3 and CaO weighing 0.693 g was heated to produce gaseous CO₂. After heating, the remaining solid weighed 0.508

Question

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.

Kunduz · Accepted Answer

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