2.5 of a mixture of BaO and CaO when heated with `H_(2)SO_(4)` , produced 4.713 g of the mixed sulphates . Find the percentage of BaO present in the mixture.

0.9031 g of a mixture of NaCI and KCI on treatment with H_2SO_4 yielded 1.0784 g of a mixture of Na_2SO_4 and K_2SO_4 .Calculate the percent composition of the mixture.

0.9031 g of a mixture of NaCl and KCl on treatment with H_(2)SO_(4) gave 1.0784 g of a mixture of Na_(2)SO_(4) and K_(2)SO_(4) . Calculate percentage composition of the original mixture.

A mixture of NaCl, MnO_(2) and cocn. H_(2)SO_(4) is heated .

On heating a mixture of NaBr and conc. H_(2)SO_(4) we obtain:

On heating a mixture of NaBr and conc. H_(2)SO_(4) we obtain:

10 g of a mixture of BaO and CaO requires 100 cm^(3) of 2.5M HCl to react completely. The percentage of calcium oxide in the mixture is approximately (Given molar mass of BaO = 153, CaO = 56)

10g of a mixture of BaO and CaO requires 100cm^(3) of 2.5m HCl of react competely. The percentage of calcium oxide in the mixture is approximately (given, molar mass of BaO=153 )