What is the formula for calculating moles from mass and molar mass?
A
Moles equals mass times molar mass
B
Moles equals molar mass divided by mass
C
Moles equals mass divided by molar mass
D
Moles equals mass times volume
Correct Answer: Option C — Moles equals mass divided by molar mass
Explanation:
Moles are calculated by dividing the mass of a substance in grams by its molar mass in grams per mole providing the fundamental calculation in all stoichiometry problems.