Plz answer

Asked by sildasholly2002 | 29th Jun, 2019, 07:59: PM

Expert Answer:
Option B is correct.
Mass of CaCO3 = 10 gm
Molar mass of CaCO3 = 100 gm
No. of mols of CaCO3 = 0.1 mole
1 mole of CaCO3 contains 1 gm atom of Ca
0.1 mole of CaCO3 contains 0.1 gm atom of Ca
0.1 mole of CaCO3 contains 0.1 gm of atom of C
1 mole of CaCO3 contains 3 gm of O
0.1 mole of CaCO3 contains 0.3 gm of O. 

Answered by Varsha | 29th Jun, 2019, 11:44: PM

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