Empirical formula of an organic compound is CH and its molecular mass is 78g/mol. What is its molecular formula?
C2H2
C6H6
C2H6
C2H4
Empirical formula of a compound is CH2O. If its empirical formula mass is equal to its vapour density. Calculate the molecular formula of the compound.
An organic compound contains 4.7% hydrogen, 71.65% chlorine and remaining carbon. Its molar mass is 98.96% find its, (a) Empirical formula (b) Molecular formula