# Stoichometry - Game 1: Question Preview (ID: 30681)

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**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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