When you are converting grams to moles , are you multiplying or dividing ?

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.

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Joan writes four numbers on the board in standard form, and then she writes their scientific notation