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Stoichometry - Game 1
Test Description: Stoich Review 11th grade CP
Instructions: Answer all questions to get your test result.
1) In the equation on the board, what is the coefficient on pure gold?
A
1
B
4
C
3
D
2
2) In the equation on the board, if you start with 5 moles of Au2O3, how many moles of Au will you produce?
A
5
B
2.5
C
20
D
10
3) According to the equation on the board, if you produce 6 moles of O2, how many moles of Au2O3 did you start with?
A
1
B
6
C
2
D
4
4) What is the mole ratio of Au to O2?
A
3:4
B
4:3
C
2:4
D
4:2
5) What is the molar mass of gold?
A
351
B
79
C
107
D
197
6) What numbers do you need to use when performing a mole to mole conversion?
A
the subscripts
B
the molar mass
C
the coefficients
7) What always goes on the TOP of a conversion factor?
A
the given info
B
the desired info
8) According to the equation on the board, if the reaction produces 12 moles of Au, it will also produce ___ moles of O2
A
9 moles O2
B
6 moles O2
C
1/3 moles O2
D
3 moles O2
9) What is the molar mass of O2?
A
12
B
8
C
32
D
16
10) According to the reaction on the board, what is the mole to mole ratio of Au to Au2O3?
A
4:3
B
1:2
C
4:2
D
3:4
*select an answer for all questions
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