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Unformatted text preview: to moles Find limiting reactant Moles desired substance Moles limiting reactant Moles of known substances Use mole ratio to convert Moles of desired product Convert to grams Mass of desired product ~ Key Terms chemical stoichiometry Section 3.2 mass spectrometer average atomic mass Section 3.3 mole Avogadro's number Stoichiometry Deals with the amounts of substances consumed and/or produced in a chemical reaction. We count atoms by measuring the mass of the sample. To relate mass and the number of atoms, the average atomic mass is required. Mole The amount of carbon atoms in exactly 12 g of pure 12C 6.022 X 10 23 units of a substance The mass of one mole of an element = the atomic mass in grams...
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- Spring '10
- Organic chemistry