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STOICHIOMETRY MAP FOR CHEMICAL REACTIONS
BALANCED CHEMICAL EQUATION
REACTANTS PRODUCTS
GIVEN
grams
WANTED
grams
molar mass molar mass
MOLES MOLES
xA yB + zC
GIVEN: WANTED:
Grams A x 1 mole A x y mole B x g B = Gram B g A x mole A 1 mole B
molar mass A mole ratio from molar mass B the balanced equation
Double lined boxes are Conversion Factors to convert from one quantity to another.
mole ratios reactant s and product s
grams divided by
molar mass
moles multiplied by molar mass
grams divided by
molar mass
moles multiplied
by
molar mass
Use the following equation to answer questions 8-11:
2 C 6 H 10 + 17 O 2 12 CO 2 + 10 H 2 O
If I do this reaction with 35 grams of C 6 H 10 and 45 grams of oxygen, how many grams of carbon dioxide will be formed?
What is the limiting reagent for problem 6? ___________
How much of the excess reagent is left over after the reaction from problem 6 is finished?
If 35 grams of carbon dioxide are actually formed from the reaction in problem 6, what is the percent yield of this reaction?
Answer the following stoichiometry-related questions:
Write the balanced equation for the reaction of acetic acid with aluminum hydroxide to form water and aluminum acetate:
Using the equation from problem #12, determine the mass of aluminum acetate that can be made if I do this reaction with 125 grams of acetic acid and 275 grams of aluminum hydroxide.
What is the limiting reagent in problem #13?
How much of the excess reagent will be left over in problem #13 after the reaction is complete?
