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.

A carbon compound contains 12.8% of carbon, 2.1% of hydrogen and 85.1% of bromine. The molecular weight of the compound is 187.9 . Calculatte the molecular formula of the compound. (Atomic weight of H +1.008, C = 12.0 and Br = 79. 9))

A carbon compound contains 12.8% of carbon, 2.1% of hydrogen and 85.1% of bromince. The molecular weight of the compound is 187.9 . Calculatte the molecular formula of the compound. (Atomic weight of H +1.008, C = 12.0 and Br = 79. 9))

Calculate the empirical and molecular formula of the compound containing 80% Carbon, 20% Hydrogen. If the molecular mass of the compound is 30 then determine the molecular formula.

An oxide of nitrogen contains 30.43% of nitrogen. The molecular weight of the compound is equal to 92 a.m.u. Calculate the molecular formula of the compound.

Find the empirical form~a of a compound of carbon and hydrogen which contains 80% carbon. If the molecular weight of the above compound is 30, what is its molecular formula ?