MCAT Chemistry - STOICHIOMETRY OVERVIEW

MCAT Chemistry - STOICHIOMETRY OVERVIEW

1. Overview

   • TERMS
     • Avogadro's number
       • 6.02×1023 ; the number of particles that make up the measure of 1 mole.
     • Chemically engineered
       • Produced by chemical means.
     • Mole
       • A measure of amount. 1 mole equals 6.02×1023 items of something. The number is so massive because moles are used to measure the amount of molecules, atoms, and other incredibly miniscule particles.
     • Stoichiometry
       • The calculation of quantities in chemical equations.

2. Calculations

   • Conversion Factor
   • Formula Unit
   • Gram Formula Mass
   • Gram Molecular Mass
   • Mole
   • Mole Ratio
   • Standard Temperature and Pressure

3. Formulas

   • General Conversion Factor Equation
   • Converting from Formula Units to Moles
   • Converting from Volume of a Gas to Moles
   • Converting from Mass to Moles
   • Converting from Molality of a Solution to Moles
   • Converting from Molarity of a Solution to Moles

4. Application

   • 1. Balance the equation.
   • 2. Convert units of a given substance to moles.
   • 3. Using the mole ratio, calculate the moles of substance yielded by the reaction.
   • 4. Convert moles of wanted substance to desired units.

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