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Stoichiometry Review Questions

Quiz by razia abdul raouf

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6 questions
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  • Q1
    What coefficient should be used to make the following equation balanced? N2+O2--> _NO
  • Q2
    Mole ratios are obtained from the
    balanced chemical equation
    periodic table
    molar mass
  • Q3
    N2 + 3H2 → 2NH3 What is the mole ratio between Nitrogen and Ammonia in the above reaction?
    2 moles NH3 / 1 moles N2
    1 moles NH3 / 2 moles N2
    1 moles N2 / 3 moles NH3
  • Q4
    For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of Mg to moles Fe?
    2 mol Mg/ 3 mol Fe
    3 mol MgO / 2 mol Fe
    3mol Mg / 2 mol Fe
  • Q5
    What is the first thing you must do to solve a stoichiometry problem?
    Write the mass given
    Write the moles given
    Write a Balanced Equation
  • Q6
    2H2 + O2 → 2H2O How many moles of water can be produced if 8 moles H2 are used?
    8 moles
    2 moles
    4 moles
    16 moles

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