CH-1882
The mole
Chemistry · Secondary 4 · Easy · The mole
A student heats 2.50 g of calcium carbonate, CaCO₃, until it decomposes completely to form calcium oxide and carbon dioxide.
Using the molar mass of CaCO₃ as 100 g/mol, what is the amount of CaCO₃ used, in mol?
Using the molar mass of CaCO₃ as 100 g/mol, what is the amount of CaCO₃ used, in mol?
- 0.0250 mol
- 0.250 mol
- 0.00250 mol
- 4.00 mol
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