Thursday
October 23, 2014

Homework Help: Chemistry

Posted by qwerty on Thursday, October 10, 2013 at 7:01pm.

The following questions concern the iconic Nestle Toll House Chocolate Chip Cookie recipe, shown below:

2 1/4 cups all-purpose flour

1 teaspoon baking soda

1 teaspoon salt

1 cup butter or margarine, softened

3/4 cup granulated sugar

3/4 cup packed brown sugar

1 teaspoon vanilla extract

2 large egg

1 (12 ounce) package NESTLEŽ TOLL HOUSEŽ Semi-Sweet Chocolate Morsels

1 cup chopped nuts

1)Baking soda consists mostly of a single chemical. Look up what it is, its molecular weight and density, and determine the number of moles used in this recipe.

2)Granulated sugar consists mostly of a single chemical. Look up what it is, its molecular weight and density, and determine the number of moles used in this recipe.

3)Table salt consists mostly of a single chemical. Look up what it is, its molecular weight and density, and determine the number of moles used in this recipe.

4)Glutenin (molecular weight: 75,000amu) makes up ~60% of the protein in all-purpose flour. About how many molcules of glutenin are in this recipe?

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