{ Mole To Mole Ratios Los Altos Chemistry Mr. Darren Dressen

Today’s Warm UP Typical Recipe for Chocolate Chip Cookies 3 cups flour + 2 cups sugar + 2 eggs 4 dozen cookies Could you modify these ingredients to make a dozen cookies? What would you do? How would you modify recipe to make one cookie?

1 CaSO BaCl 2 1 CaCl BaSO 4 __ CaSO 4 + __BaCl 2 __CaCl 2 + __BaSO 4 ____CaSO 4 + ____BaCl 2 ____ CaCl 2 + ____BaSO x 10 -2

2 H O 2 2 H 2 O __ H 2 + __O 2 __H 2 O __ H 2 + __O 2 __ H 2 O

___C 4 H 10 + ____O 2 ____CO 2 + ____H 2 O How many moles of butane, C 4 H 10, are needed to react with 5.5 moles of O 2 ? ___C 4 H 10 + ___O 2 ___CO 2 + ____H 2 O 5.5 X 5.5 moles of O 2 13 moles of O 2 2 moles of C 4 H 10 = 0.85 moles C 4 H 10

___C 4 H 10 + ____O 2 ____CO 2 + ____H 2 O How many moles of butane, C 4 H 10, are needed to react with 5.5 moles of O 2 ? ___C 4 H 10 + ___O 2 ___CO 2 + ____H 2 O moles of O 2 13 moles of O 2 2 moles of C 4 H 10 = 0.85 moles C 4 H 10