A `120gm CaCO_(3)` sample having inert impurities on heating produced `56gm` of residue. Find `%` punity of sample .

A 120gm CaCO_(3) sample having inert impurities on heating produced 56gm of residue. Find % purity of sample .

A 200 gm sample of CaCO_(3) having 40 % purity is heated. Find moles of CO_(2) obtained.

An impure sample ( having 60 % purity ) of KClO_(3) contains 30 gm of pure KClO_(3) .Find weight of impure sample.

15 gm Ba(MnO_4)_2 sample containing inert impurity is completely reacting with 100 ml of 11.2 V' H_2O_2 , then what will be the % purity of Ba(MnO_4)_2 in the sample ? (Atomic mass Ba=137, Mn=55)

60 gms of limestone on heating produced 22g of CO_(2) . The percentage of CaCO_(3) in limestone is

How much amount of CaCO_(3) in gram having percentage purity 50 percent produces 0.56 litre of CO_(2) at STP on heating ?

How much amount of CaCO_(3) in gram having percentage purity 50 percent produces 0.56 litre of CO_(2) at STP on heating ?