Calculate the empirical formula for a compound with 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass.

If a compound contains 2 moles of nitrogen and 6 moles of hydrogen, what is its empirical formula?

Determine the empirical formula of a substance that is 75% carbon and 25% hydrogen by mass.

A compound is composed of 60% sulfur and 40% oxygen. What is its empirical formula?

What is the empirical formula for a compound with the molecular formula C8H16?

If a sample contains 10g of sodium and 15g of chlorine, what is the empirical formula?

Calculate the empirical formula for a compound with 5.3g of magnesium and 4.7g of oxygen.

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

If a compound has an empirical formula of C2H5 and a molar mass of 58 g/mol, what is its molecular formula?