How much potassium nitrate should be heated to get enough oxygen required to completely burn 5 litres of hydrogen at STP? (K=39, N=14, O=16) [Ans. 22.53g]

How much potassium chlorate is needed to get enough oxygen for complete burning of 84g litre of carbon monoxide at STP?

How much KClO_3 should be heated for the production of oxygen to burn out 6g of carbon completely?

How much quantity of KClO_3 required to produce 5.6 lit oxygen at S.T.P.? [K = 39, Cl = 35.5, O = 16]

How much KClO_(3) is needed to produce enough oxygen for burning 10g of coke? (C=12, Cl=35.5, O=16)

How many Litres of oxygen is needed to burn completely 2.2 g propane (C_2H_6) ?

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]

How much KClO_(3) must be heated to produce as much oxygen as that would be obtained from 200g of HgO? [Hg=200.5, K=39]

12.25 gm KClO_3 is heated to produe oxygen. How much quantity of Zn is required to produce hydrogen to react with the produced oxygen? (Zn = 65, K = 39, O = 16, Cl = 35.5, H = 1)

How much quantity of oxygen will be obtained when 24.5 gm potassium chlorate is heated? [K = 39 k, Cl = 35.5, O = 16]

How many gram of ammonium sulphate will be required to prepare 6.8 g of ammonia by heating ammonium sulphate with caustic soda solution? (H = 1, N = 14, O = 16, S= 32)