Unit 7: Stoichiometry Skill Check 2

Quiz by Amanda Stepanick

9-12
Chemistry

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### Measures 2 skills from9-12ChemistryIndiana Academic Standards

C.4.5
C.4.6

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8 questions
• Q1

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

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?

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?

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?

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?

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?

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

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?

105%

110%

95%

87%

30s
C.4.6

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