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

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In the equation on the board, what is the coefficient on pure gold? |
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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? |
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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? |
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a) 1 | b) 2 | c) 4 | d) 6 | |

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

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

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

What always goes on the TOP of a conversion factor? |
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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 |
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a) 1/3 moles O2 | b) 3 moles O2 | c) 6 moles O2 | d) 9 moles O2 | |

What is the molar mass of O2? |
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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? |
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a) 1:2 | b) 4:3 | c) 4:2 | d) 3:4 | |

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