Define these 3 terms in your own words AND when they are used in solving stoichiometry problems (For example: when do you need the molar mass of a substance in a stoichiometry calculation? That’s how you want to describe when these 3 terms are used.) : Mole, Molar Mass & Mole ratio. Answer in at least 2-3 complete sentences for each term. You can reference Moles and Stoichiometry in chapters 10 and 12 of your textbook.