What is the simplest formula of the compound which has the following percentage composition: carbon 80%, Hydrogen 20%, If the molecular mass is 30, calcualte its molecular formula.

In which of the following percentage of carbon is maximum

A compound on analysis gave the following percentage composition: C - 54.54%, H = 9.09%, 0 = 36.36%

Empirical formula is the simplest formula of the compound which gives the atomic ratio of various elements present in one molecule of the compound. However the molecular formula of the compound gives the number of atoms of various elements present in one molecule of the compound. Molecular formula = (Empirical formula) xxn Which pair of species have same percentage composition of carbon?

Chemical analysis a carbon compound gave following percentage composition by weight of the element present, carbon = 10.06%, hydrogen = 0.84%, chlorine = 89.10%. Calculate the empirical formula of the compound.

The weight ratio of elements carbon, nitrogen and hydrogen in a compound of molecular mass 108 is 18:2:7 . What is its molecular formula?

An alkane has molecular mass 86. What is the molecular formula of the alkane ?

What is the mass percentage of carbon in ethane.

A carbon compound contains 12.8% Carbon, 2.1% Hydrogen, 85.1% Bromine. The molecular weight of the compound is 187.9. Calculate the molecular formula.