What is meant when aniline is referred to as the limiting reagent in the reaction with acetic anhydride.

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.

Iwill give extra points to who gets this right

Which formula can be used to calculate the molar mass of hydrogen peroxide