PLZ HELP ITS MY TEST Which group is the alkali metals? — . Halogens?—. Noble gases?—. Alkaline earth metals?—.

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.

Ineed ! it’s science and it’s due tomorrow!

What does x represent in the formula for the compound xcl4?