Calculate the mass fraction of calcium in calcium carbonate (%). And the solution is how you did it.

univerkov | September 8, 2021 | education

Determine the mass fraction of calcium in calcium carbonate.

M (Ca) = 40 g / mol.

M (CaCO3) = 40 + 12 + 16 * 3 = 100 g / mol.

Let’s determine the mass fraction of calcium.

W = 40/100 * 100 = 40%.

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