How many carbon atoms are in a molecule of calcium carbonate CaCO3?

Answer 1

A mole of H2 molecules contains 6.023 x 10^(23) H2 molecules or 2 moles of H atoms (since each molecules has 2 atoms). A mole of CaCO3 (calcium carbonate) has one mole (Avogadro number) of Ca atoms, one mole of C atoms and 3 moles of O atoms.

Answer 2

Its 1 get the facts.

Answer 3

3