What does a horizontal row of elements in the periodic table represents

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.

Which term refers to a property that depends only on the amount of a substance? ©@

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.