1. Moley, Moley, Guacamole!!! - Chris Eiffler

2. Formulas Grams to moles # Grams x 1 mol = # of moles Molar Mass (grams) Moles to grams # moles x Molar mass (grams) = # of grams 1 mol

3. examples 10 g Al x 1 mol = 0.371 mols Al 26.98 g 486 g CaCO 3 x 1 mol = 4.86 mols CaCO 3 100.09 g

4. examples 72.5 mols Pb x 207.2 g = 15,022 g Pb 1 mol 8.2 mols MgSO 4 x 120.38 g = 987.12 g MgSO 4 1 mol

5. Practice Change grams into moles- a) 26.2 g of gold b) 49 g of water c) 6.5 g of calcium carbonate Change moles into grams a) 1.50 mols of aluminum iodide b) 6.37 mols of carbon monoxide c) 0.00102 mols of magnesium

6. Answers a) 0.133 mols Au b) 2.722 mols of H2O c) 0.065 mols of CaCO3 a) 611.55 g of AlI3 b) 178.36 g of CO c) 0.0248 g of Mg