The Mole Project
Avogadro's number is related to any mole substance because the number that Avogadro made was to convert particles into moles of any substance. The number is..... 6.022 x 10^23.
Converting a recipe from moles to standard cooking measurements
This table is used to adjust the following recipes:
Moles Grams
Flour 2.66 319.47664
baking soda 0.0335 2.814201
salt 0.036 2.103948
butter 1.084 236.53422
sugar 0.44 150.61068
brown sugar 0.31 106.11207
eggs 0.624 99.947952
vanilla 0.062 9.433238
chocolate chips 2.82 338.69328
Recipe of ANZAC Biscuits:
In this recipe, 0.63 moles of water has been reduced to 0.45 moles of water..63
------ = 1.4%
.45
So by using the percent yield I am going to calculate the changes that need to be made.
The adjusted recipe would be:
Flour: 1.9 moles
Rolled oats: 1.26 moles
Brown sugar: 1.26 moles
shredded coconut: 1.06 moles
Almonds: 0.68 moles
Cranberries: 0.69 moles
Butter: 0.85 moles
Honey: 0.64 moles
water: 0.45 moles
Oatmeal Chocolate Cookies:
In this recipe, 0.72 moles of Rolled Oats has been reduced to 0.50 moles of Rolled Oats.
0.72
-------- = 1.44%
0.50
So by using the percent yield I am going to calculate the changes that need to be made.
The adjusted recipe would be:
Flour: 2.96 moles
Rolled Oats: 0.5 moles
Butter: 2.625 moles
Eggs: 1.3 moles
Walnuts: 0.53 moles
Sugar: 1.74 moles
Brown Sugar: 1.91 moles
Chocolate Chips: 2.64 moles
Baking Soda: 0.17 moles
Vanilla: 0.14 moles
Chocolate Chip Cookies:
In this recipe, 3.8 moles of Chocolate Chips has been reduced to 2.5 moles of Chocolate Chips
The ratio is 1.52
Flour: 4.8
Coco Powder: .697
Butter: 2.48
Eggs: .5
Walnut: .5
Sugar: 2.20
Brown Soda: .164
Vanilla: .131
Drop Sugar Cookies with Walnuts:
In this recipe, 5.33 moles of flour has been reduced to 4.33 moles of flour.
The ratio is 1.23
Flour: 4.31
Butter: 1.91
Eggs: .39
Walnuts: .78
Sugar: 3.40
Baking Soda: .203
Vanilla: .252
1. You want to 6 make grilled cheese sandwiches (use the equation below, Bd = bread and Ch = Cheese) and you have 13 slices of bread and 5 slices of cheese. How may grilled cheese sandwich can you make? And what is the limiting reagent?
2Bd + Ch→Bd2Ch
You have 13 slices of bread
You have 5 slices of cheese
13
You need 2 slices of bread to make 1 sandwich, so ---- is 6.5. You can make 6 sandwiches with the bread.
2
5
You need 1slice of cheese to make 1sandwich, so --- is 5.You can only make 5sandwiches with the cheese.
1
The limiting reactant is cheese.
2. You are having some friends over for dinner you want to make 8 cheese burgers, you have 8 hamburger patties, 12 bums, 7 slices of cheese, 18 slices of tomato, 16 pieces of lettuce and 9 slices of onion. Use the equation below (where buns = B, hamburger patty = H, cheese = Ch, tomatoes = T lettuce = L and onion = O) to determine how many cheese burgers you can make (what’s your theoretical yield?) and what the limiting reagent is? Hint you may need to balance the equation first.
B+ H+ Ch+ 2T+ 2L+O → BHChT2L2O
Considering cheese is the limiting reagent and there are only 7 slices of them you can only make 7 sandwiches.
3. Balance the chemical equations below. Find the limiting reagent and the theoretical yield if there is one gram of each reagent.
