A 200.0 g sample of a compound contains 175.4 g of carbon and 24.54 g of hydrogen. What is the empirical formula of the compound?

What is the empirical formula of nitrogen chloride given that a 0.77 mg sample of nitrogen reacts with chlorine to form 6.61 mg of the chloride?

A chromium-containing compound has the formula FexCryO4 and is 28.59% oxygen by mass. Find the values of x and y.

A 0.2500 g sample of a compound known to contain carbon, hydrogen, and oxygen undergoes complete combustion to produce 0.3664 g of CO2 and 0.1500 g of H2O. What is the empirical formula of this compound? (Please use a 1 for any understood 1 that may be in)

What is the empirical formula of the compound given the combustion data: 2.08 g CO₂, 1.28 g H₂O, and 4.77 g SO₃?

A 45.2 mg sample of phosphorus reacts with selenium to form 131.6 mg of the selenide. Determine the empirical formula of phosphorus selenide.

A compound consists of 36.33% carbon, 6.11% hydrogen, 21.20% nitrogen, and 36.31% oxygen. What is the empirical formula for this compound?

A compound containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78 g of nitrogen and 4.05 g of oxygen. Calculate the empirical formula of the compound.