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

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

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

100g of impure CaCO_(3) on heating gives 5.675 it. CO_(2) gas at STP. Find the percentage of calcium in the lime stone sample. [At. Wt, Ca=40, C=12, O=16]

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?

245 g impure sample of KClO_3 on heating gives 12gO_2(g) according to 2KClO_3(s)rarr2KCl(s)+3 O_2(g) Calculate % purity of sample ?

245 g impure sample of KClO_3 on heating gives 12gO_2(g) according to 2KClO_3(s)rarr2KCl(s)+3 O_2(g) Calculate % purity of sample ?

100g of 90% pure sample of CaCO_(3) on strong heating produces how many litre of CO_(2) at NTP ?

How many grams of CaO is obtained on heating 100g of CaCO3?