which of the following are valid ionic Lewis structures? Na* [:C1:] [:C1:] Ca?- [:C1:] Na :C1:||:ċi: Ca:ci: Na [:C1:) [:CI:] Ca- [:C1:]​

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.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

How many moles of al3+ ions are in 1.25 moles of al2o3