How can answer 6.8 ?

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?