Are the atoms conserved during a chemical change even though new molecules are made?

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.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5