In a food web nitrogen moves from the air into the soil, into living things , and back into the air. True or false

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.

Iknow #2 is d. i just need to know why

What happens when an acid dissolves?