How much is 1 kg of calcium carbonate?

Given:
m (CaCO3) = 1 kg = 1000 g
To find:
n (CaCO3)
Decision:
the amount of a substance can be found by dividing the mass (m) of the substance by the molar mass (M)
M (CaCO3) = 100 g / mol
n (CaCO3) = 1000 g: 100 g / mol = 10 mol
Answer: 10 mol



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