What is stoichiometry used for?
A. To determine the shape of a molecule
B. To determine the amount of a substance

C. To determine the molar mass of a molecule
D. To determine the atoms in a formula

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