The thermal decomposition reaction of calcium carbonate is described by the following chemical reaction equation:
CaCO3 = CaO + CO2 ↑;
Let’s calculate the chemical amount of calcium carbonate (limestone). To do this, divide its weight by the mass of 1 mole of the substance.
M CaCO3 = 40 + 12 + 16 x 3 = 100 grams / mol;
N CaCO3 = 300/100 = 3 mol;
The same molar amount of calcium oxide and carbon dioxide will theoretically be synthesized.
To calculate its volume, you need to multiply the amount of substance by the volume of 1 mole of gas (filling volume 22.4 liters).
V CO2 = 3 x 22.4 = 67.2 liters;
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