Teaching OSSSC TGT Teachers Mock Test Series 2025 Chemistry Some Basic Concepts of Chemistry Mole Concept
A sample of CaCO3 and MgCO3 weighed 2.21 g is ignited to constant weight of 1.152 g. The composition of mixture is :
(Given molar mass in g mol-1 CaCO3 :100, MgCO3 : 84 )
1
1.187 g CaCO3+ 1.023g MgCO3
2
1.023 g CaCO3+ 1.023g MgCO3
3
1.187 g CaCO3+ 1.187 g MgCO3
4
1.023 g CaCO3+ 1.187g MgCO3