
Stoich Review
Quiz
•
Chemistry
•
10th - 12th Grade
•
Medium
Mrs. Physics
Used 2+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
____________ is the determination of how much "stuff" (product you can make in a reaction from some given amount of reactant
Stoichiometry
Dimensional Analysis
Percent Composition
Percent Yield
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In a chemical reaction, the mass of the products _________________
is equal to the mass of the reactants.
is less than the mass of the reactants.
is greater than the mass of the reactants
has no relationship to the mass of the reactants.
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In the reaction 2CO + O2 --> 2CO2, what is the ratio of moles of 02 used to moles of CO2 produced?
1:2
2:1
2:2
1:1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many moles of Al are needed to react completely with 1.2 mol of FeO?
2Al + 3FeO --> 3Fe + Al2O3
0.80 mol
1.2 mol
1.6 mol
2.4 mol
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Iron (III) oxide is formed when iron combines with oxygen in the air. How many grams of Fe2O3 are formed if 0.299 mole of Fe2O3 are made?
4Fe + 3O2 --> 2Fe2O3
47.7. g
0.00187 g
1.196g
0.598 g
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many moles of H3PO4 are produced from a reaction of 3 moles of H2O reacting with an excess of P4O10?
P4O10 + 6H2O --> 4H3PO4
2 moles
12 moles
1 mole
6.02 x 1023 molecules
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many molecules are in one mole of Calcium?
6.02 x 1023 molecules
1 molecule
40 molecules
80 molecules
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