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?

What is the empirical formula of a compound having 40% carbon, 6.66% hydrogen and 53.34% oxygen?

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 hydrated salt of magnesium sulfate, $MgSO_4 \cdot xH_2O$, contains 51.2% water by mass. What is the value of 'x' in the formula?

A mineral sample contains 27.27% of element X (atomic mass = 56 u) and 72.73% of element Y (atomic mass = 16 u). What is the empirical formula of the mineral?

The empirical formula of naphthalene is:

The simplest formula of a compound containing of element X and of element Y is

A compound contains 4.07 % Hydrogen, 24.27 % carbon and 71.65 Chlorine, its empirical formula is

Which of the following represents an empirical formula?

A hydrocarbon contains 80% carbon (atomic mass=12u) and 20% hydrogen(atomic mass=1u) by mass. Calculate its empirical formula.

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