Question

3 gram carbon the mole of CaCO3 are a) 1 mole c) 0.25 mole (b) 0.5 mole ​

Answer 1

Answer:

You know that one mole of calcium carbonate contains 1 mole of calcium, one mole of carbon, and 3 moles of oxygen. Each mole contains 6.022⋅1023 atoms - this is known as Avogadro's number.