1.84 g of a mixture of `CaCO_(3)` and `MgCO_(3)` was heated to a constant weight. The constant weight of the residue was found to be 0.96g. Calculate the percentage composition of the mixture. (relative atomic masses of Ca and Mg are 40 and 24 respectively).

1.5g of a mixture of CaCO_(3) and MgCO_(3) , on ignition, produces 360mL of CO_(2) at STP. Calculate the percentage composition of the mixture.

A mixture of FeO and Fe_3O_4 when heated in air to a constant weight gains 5% in its weigh. Find the composition of the initial mixture.

2 volumes of O_(3) produce 3 volumes of O_(2) on complete decomposition. 40 mL of a mixture of O_(3) and O_(2) is heated at first and then brought back to the previous temperature and pressure. The volume of the gaseous mixture is now found to be 42 mL. find the percentage composition of O_(3) in the gas mixture by volume. the volume of all gases are measured under the same conditions of temperature and pressure.

1.5276 g of CdCl_2 was found to contain 0.9367 g of Cd. Calculate atomic weight of Cd.

2g of mixture of CaCO_(3) and MgCO_(3) on being treated with dilute HCl gives 536.84 mL of CO_(2) at 27^(@)C and 750 mm of Hg pressure. What is the composition of the mixture?

1g of a mixture containing Na_(2)CO_(3) and NaHCO_(3) in equal amounts is heated until a constant mass is obtained. Find the volume of CO_(2) gas liberated at STP.

25.4g of iodine and 14.2g of chlorine react together to form a mixxture of IC l and IC l_(3) . Find the ratio of the number of moles of IC l and IC l_(3) in the mixture. (Relative atomic mass of Cl and I are 35.5 and 127 respectively).

A sample of a mixture of CaCl_2 and NaCl weighing 4.22 g was treated to precipitate all the Ca as CaCO_3 which was then heated at quantitatively converted to 0.959 g of CaO. Calculated CaCl_2% in the mixture

A 2.0g mixture of Na_(2)CO_(3) and NaHCO_(3) suffered a loss of 0.12g on heating. Percentage of Na_(2)CO_(3) in the mixture-

A mixture of NaCI and Na_2CO_3 is given. On heating 12 g of the mixture with dil. HCI. 2.241 g of CO_2 is evolved at normal temperature. Calculate the amounts of each in the mixture