A hydrocarbon contains 85.7% carbon. Its molecular mass is 42. The molecular formula of the compound is:

A compound containing only carbon and hydrogen has an empirical formula of CH2. If its molar mass is approximately 56 g/mol, what is its molecular formula?

A compound has the empirical formula C2H4O. If its molecular mass is 88 g/mol, what is its molecular formula?

A Carbon compound contains 12.8 % Carbon, 2.1 % Hydrogen and 85.1 % of Bromine. The molecular weight of the compound is 187.9. Its molecular formula is (at. Wt. of Br = 80)

An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of compound is

A compound has the molecular formula C$_2$H$_4$O$_2$. What is its empirical formula?

If the empirical formula of a compound is CH and its molecular weight is 78, what is its molecular formula?

A gaseous organic compound has an empirical formula $C_xH_y$. When 0.150 g of the compound is completely combusted, it produces 0.225 g of $CO_2$ and 0.090 g of $H_2O$. Given the vapor density of the compound is 29, what is the molecular formula?

An organic compound contains 40% carbon, 6.67% hydrogen, and 53.33% oxygen. Its vapour density is 30. What is its molecular formula?

The formula of a compound which gives simple whole number atomic ratio in one molecule of a compound is called:

A compound has an empirical formula of CH and a molecular mass of 78 g/mol. What is its molecular formula?