An impure sample of `CaCO_(3)` contains 38 % of Ca. The percentage of impurity present in the sample is :

500 g impure sample of CaCO_(3) on heating gives 70 g of CaO . Percentage impurities in sample is

500 g impure sample of CaCO_(3) on heating gives 70 g of CaO . Percentage impurities in sample is

1g of an impure sample of magnesium carbonate (containing no thermally decomposable impurities ) on complete thermal decomposition gave 0.44g of carbon dioxide gas . The percentage of impurity in the sample is

1 g of an impure sample of magnesium carbonate (containing no thermally decomposable impurities) on complete thermal decomposition gave 0.44 g of carbon dioxide gas. The percentage of impurity in the sample is

0.50 g sample of impure CaCO_3 is dissolved in 50 ml of 0.0985 (N) HCl. After the reaction is complete, the excess HCl required 6 ml of 0.105N NaOH for neutralisation. The percentage purity of CaCO_3 in the sample is

5g of an impure sample of common slat on treatment with excess of AgNO_(3) solution yields 9.812g of AgCl . What is the percentgae impurity of that sample ?