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Unit 7: Stoichiometry Skill Check 2

Quiz by Amanda Stepanick

9-12
Chemistry
Indiana Academic Standards

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includes Teacher and Student dashboards

Measures 2 skills from
9-12
Chemistry
Indiana Academic Standards

C.4.5
C.4.6

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8 questions
Show answers
  • Q1

    How many mol of oxygen will be needed to produce 20 mol H2O?

    Question Image

    34 mol O2

    1100 mol O2

    310 mol O2

    60. mol O2

    30s
    C.4.5
  • Q2

    How many mol of fuel is needed to create 305g H2O?

    Question Image

    3.39 mol C6H10

    278 mol C6H10

    84.6 mol C6H10

    51.3 mol C6H10

    30s
    C.4.5
  • Q3

    If you burn 52 g C6H10, what mass of CO2 will be released?

    Question Image

    4.5 g CO2

    47 g CO2

    170 g CO2

    1.1 g CO2

    30s
    C.4.5
  • Q4

    If 550 g H2O is produced, from burning a sample of C6H10, how much O2 was consumed?

    Question Image

    1700 g O2

    570 g O2

    501 g C6H10

    130 g C6H10

    30s
    C.4.5
  • Q5

    When burning a sample of fuel, 35 mol of CO2 was found to be produced. What mass of water would you expect to find from this reaction?

    Question Image

    12 g H2O

    29 g H2O

    5.3 g H2O

    530 g H2O

    30s
    C.4.5
  • Q6

    You have 80g of cyclohexene (C6H10) and 200 g of O2. How much water will be made? Who is the limiting reagent?

    Question Image

    90 g H2O and oxygen is limiting 

    90 g H2O and cyclohexene is limiting 

    70 g H2O and oxygen is limiting

    70 g H2O and cyclohexene is limiting

    30s
    C.4.6
  • Q7

    From your answer above, how much excess reagent is leftover?

    60 g C6H10

    20 g C6H10

    20 g O2

    60 g O2

    30s
    C.4.6
  • Q8

    You burn 5.31 g of C6H10 and collect 6.10 g of water. What is your percent yield for this reaction?

    Question Image

    105%

    110%

    95%

    87%

    30s
    C.4.6

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