A compound has the following composition by weight , `Na = 18.60 %, S = 25.80 %, H = 4.02 %" and "O = 51.58 %` Assuming that all the hydrogen atoms in the compound are part of water of crystallization, the correct molecular formula of the compound is

A compound on analysis was found to contain the following composition : Na=14.31%,S=9.97%,O=69.50 %and H=6.22 % Calculate the molecular formula of the compound assuming that the whole of hydrogen in the compound is present as water of crystallisation. Molecular mass of the compound is 322.

A compound on analysis was found to contain the following composition : Na=14.31%,S=9.97%,O=69.50 %and H=6.22 % Calculate the molecular formula of the compound assuming that the whole of hydrogen in the compound is present as water of crystallisation. Molecular mass of the compound is 322.

If 75.2% of compound is carbon and the rest of the weight is hydrogen, the formula of the compound is

A compound on analaysis gave Na =14.3% S=9.97% H=6.22% and O=69.5% calaculate the molecular formula of the compound, if all the hydrogen in the compound is present in combination with oxyhen as water of crystallization. (molecular mass of the compound is 322).

An organic compound has the following percentage composition , C = 48 %, H = 8 %, N = 28 % . Calculate the empirical formula of the compound.