Compounds that primarily contain carbon are known as organic compounds.
Answer: 3.427 X 10 3 TIMES AND 4.56 X 10 3 TIMES
Explanation:

Formula mass of CaCO3 is
40 + 12 + 3-100amu....
100g CaCO3 = 1 mole..
50g of CaCO3 = 1÷ 100x 5 = 0.5mole...
<h3>Hence ,answer is 0.5mole...</h3>

Hope it helps you..
Thanks...
Molar mass:

Grams to moles:

Moles to atoms (Avogadro's number):


Answer: