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Stoichiometry

Quiz by Becky Helmer

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15 questions
Show answers
  • Q1

    What type of stoichiometry problem is shown below? 

    How many moles of O2 can be produced from 25.0 grams of CO2?

    6CO2 + 6H2O --> C6H12O6 + 6O2

    3
    2
    1
    4
    30s
  • Q2

    What type of stoichiometry problem is shown below? 

    How many grams of O2 can be produced from 25.0 grams of CO2? 

    6CO2 + 6H2O --> C6H12O6 + 6O2

    3
    2
    1
    4
    30s
  • Q3

    What type of stoichiometry problem is shown below? 

    How many moles of O2 can be produced from 25.0 moles of CO2? 

    6CO2 + 6H2O --> C6H12O6 + 6O2

    4
    3
    2
    1
    30s
  • Q4

    What type of stoichiometry problem is shown below?

    How many grams of O2 can be produced from 25.0 moles of CO2?

    6CO2 + 6H2O --> C6H12O6 + 6O2

    4
    3
    1
    2
    30s
  • Q5
    In which type of problem do you need the molar mass of the given but not the unknown?
    4
    1
    2
    3
    30s
  • Q6
    In which type of problem do you need the molar mass of the unknown but not the given?
    2
    3
    1
    4
    30s
  • Q7
    In which type of problem do you need the molar mass of the given and the unknown?
    1
    3
    4
    2
    30s
  • Q8
    In which type of problem do you not use a molar mass?
    4
    1
    2
    3
    30s
  • Q9

    What type of stoichiometry problem is shown below?

    Given the balanced equation: 2C₄H₁₀ + 13O₂ → 8CO₂ + 10H₂O

    If 352.08 grams of carbon dioxide (CO₂) are produced, how many moles of butane (C₄H₁₀) burned?

    3

    4

    2

    1

    30s
  • Q10

    What type of stoichiometry problem is shown below?

    Given the balanced equation: 2Mg + O₂ → 2MgO

    If 5 moles of magnesium (Mg) react completely, how many grams of magnesium oxide (MgO) are produced?

    2

    4

    3

    1

    30s
  • Q11

    What type of stoichiometry problem is shown below?

    Given the balanced equation: 2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O

    If 3 moles of acetylene (C₂H₂) burn, how many grams of carbon dioxide (CO₂) are produced?

    4

    1

    2

    3

    30s
  • Q12

    What type of stoichiometry problem is shown below?

    Given the balanced equation: 3Mg + N₂ → Mg₃N₂

    If 2 moles of nitrogen gas (N₂) react, how many moles of magnesium (Mg) are needed?

    3

    4

    2

    1

    30s
  • Q13

    What type of stoichiometry problem is shown below?

    Given the balanced equation: C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O

    If 90.00 grams of glucose (C₆H₁₂O₆) undergo cellular respiration, how many grams of water (H₂O) are produced?

    4

    3

    1

    2

    30s
  • Q14

    What type of stoichiometry problem is shown below?

    Given the balanced equation: 2Mg + O₂ → 2MgO

    If 48.60 grams of magnesium (Mg) react completely, how many grams of magnesium oxide (MgO) are produced?

    3

    2

    1

    4

    30s
  • Q15

    What type of stoichiometry problem is shown below?

    Given the balanced equation: N₂ + 3H₂ → 2NH₃

    If 28.02 grams of nitrogen gas (N₂) react, how many grams of ammonia (NH₃) are produced?

    3

    2

    4

    1

    30s

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