A mixture of CaCO3CaCO_3CaCO3 and MgCO3MgCO_3MgCO3 weighing 1.84 g on heating leaves a residue weighing 0.96 g. If the percentage by mass of CaCO3CaCO_3CaCO3 in the original mixture is x%, what is the value of x/2?
27.18
32.50
41.25
54.35
Related Questions
Equal masses of oxygen and ozone are present in a container at 298 K. The ratio of their partial pressures (PO2:PO3P_{O_2} : P_{O_3}PO2:PO3) is:
1:1
2:3
3:2
4:3
