Stoichometry - Game 1 Question Preview (ID: 30681)


Stoich Review 11th Grade CP. TEACHERS: click here for quick copy question ID numbers.

In the equation on the board, what is the coefficient on pure gold?
a) 1
b) 2
c) 3
d) 4

In the equation on the board, if you start with 5 moles of Au2O3, how many moles of Au will you produce?
a) 2.5
b) 5
c) 10
d) 20

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) 2
c) 4
d) 6

What is the mole ratio of Au to O2?
a) 2:4
b) 4:2
c) 4:3
d) 3:4

What is the molar mass of gold?
a) 79
b) 107
c) 197
d) 351

What numbers do you need to use when performing a mole to mole conversion?
a) the molar mass
b) the subscripts
c) the coefficients
d)

What always goes on the TOP of a conversion factor?
a) the given info
b) the desired info
c)
d)

According to the equation on the board, if the reaction produces 12 moles of Au, it will also produce ___ moles of O2
a) 1/3 moles O2
b) 3 moles O2
c) 6 moles O2
d) 9 moles O2

What is the molar mass of O2?
a) 8
b) 12
c) 16
d) 32

According to the reaction on the board, what is the mole to mole ratio of Au to Au2O3?
a) 1:2
b) 4:3
c) 4:2
d) 3:4

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