Why do you convert the grams to moles as opposed to just leaving it in grams?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa