The empirical formula of anorganic compound is `CH_2`.The mass of 1 mol of it is 42 gm.The molecular formula of the compound is:

The empirical formula of an organic compound is CH_(2)O . Its vapour density is 45. The molecular formula of the compound is

The empirical formula of an organic compound is CH_(2)O . If its vapour density is 30 , the molecular formula of the compound is :

The empirical formula of a compound is CH_(2)O . Its molecular weight is 90. Calculate the molecular formula of the compound.

The empirical formula of a compound is CH. Its molecular weight is 78. The molecular formula of the compound will be :

The empirical formula of a compound is CH_(2)O .Its molecular mass is 90 . What is the correct molecular formula of that compound?

Empirical formula of a compound is CH_(2)O and its molecular mass is 90. The molecular formula of the compound is