Percentage carbon in compound A is:

0.4g of a compound on complete combustion gave 56ml of CO_(2) at 760mm and 0^(@)C . The percentage of carbon in the compound is

The compound in which mass percentage of carbon in 75% and that of hydrogen is 25% is

Polychlorinated biphenyls, PCBs, known to be dangerous environment pollutants , are a group of compounds with the general empirical formula C_12H_mCl_(10-m) , where m is an integer. What is the value of m, if percentage of carbon atom in the compounds is 40 ?

The percentage of carbon and hydrogen in an organic compound are 92.5 and 7.5. Determine the'molecular formula of the compound if its vapour density is 39.

An organic compound contains 14 atoms of carbon per molecule. If mass % of carbon in the compound is 22.4% then molecular mass of the compound will be

An organic compound contains 14 atoms of carbon per molecules. If mass % of carbon in the compound is 22.4% , then molecular mass of the compound will be:

1.6 g of an organic compound on combustion gave 4.4 g carbon dioxide. The % of carbon in the organic compound is: