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 ?

70 g of a sample of magnesite on treatment with excess of HCl gave 11.2 L of CO_(2) at STP. The percentage purify of the sample

70 g of a sample of magnesite on treatment with excess of HCl gave 11.2 L of CO_(2) at STP. The percentage purify of the sample

6g of an impure sample of potassium chlorate gives 1.9g of oxygen on heating in presence of a catalyst. What is the percentage of purity of the sample. [K = 39,Cl = 35.5, O = 16]

When 0.1 mol of a cobalt complex is treated with excess of AgNO_(3) solution, 28.7g of AgCl is precipitated. The formula of the complex is

4 g of an impure sample of CaCO_(3) on treatment with excess HCl produces 0.88 g CO_(2) . What is per cent purity of CaCO_(3) sample?

An impure sample of sodium chloride that weighed 0.50 g gave 0.90 g of silver choride as precipitate on treatment with excess of silver nitrate solution. Calculate the percentage purity of the sample.