Chemistry, asked by abbasali7048, 1 year ago

how many atomss of oxygen are present in 200g of CACO3

Answers

Answered by shweta57
5
Molecular mass of calcium carbonate
=40+12+48= 100g
1 mole of calcium carbonate contains =3 mole of oxygen atom.
100g of calcium carbonate contains =3 x 6.022 x 10^23 oxygen atom.
200g of calcium carbonate contains =How many oxygen atom?
=200 x 3 x 6.022 x 10^23/100 = 36.132 x 10^23 oxygen atom
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