Topic 7: Stoichiometry Part 1

10 Questions | Total Attempts: 274

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Stoichiometry Quizzes & Trivia

This will be your seventh formal assessment. Please answer this by saturday midnight.


Questions and Answers
  • 1. 
    How many molecules of water are there in 36.0 grams of the substance?
    • A. 

      6.0 X 10^23

    • B. 

      1.2 X 10^24

    • C. 

      2.8X 10^23

    • D. 

      3.2 X 10^21

    • E. 

      1.8 X 10^24

  • 2. 
    Molar Mass of glucose (C6H12O6) in grams per mole?
    • A. 

      340.0

    • B. 

      180.0

    • C. 

      110.0

    • D. 

      78.0

    • E. 

      44.0

  • 3. 
    Molar Mass of glucose (CO2) in grams per mole?
    • A. 

      340.0

    • B. 

      180.0

    • C. 

      110.0

    • D. 

      78.0

    • E. 

      44.0

  • 4. 
    What is the molar mass of H2  i in grams per mole
    • A. 

      15.0

    • B. 

      2.0

    • C. 

      4.0

    • D. 

      5.2

    • E. 

      3.5

  • 5. 
    What is the molar mass of NOin grams per mole
    • A. 

      16.2

    • B. 

      46.0

    • C. 

      44.0

    • D. 

      13.1

    • E. 

      None of the above

  • 6. 
    What is the molar mass of benzene C6H6 ?( in grams per mole)
    • A. 

      44.0

    • B. 

      33.1

    • C. 

      57.2

    • D. 

      46.9

    • E. 

      78.0

  • 7. 
    1.8 X 10^24 atoms of  sodium contains approximately how many grams of this substance?
    • A. 

      83

    • B. 

      69

    • C. 

      17

    • D. 

      11

    • E. 

      23

  • 8. 
    6.02 X 10^23 is known as 
    • A. 

      Charles' number

    • B. 

      Irrational number

    • C. 

      Avogadros's number

    • D. 

      Boyle's law

    • E. 

      None of the above

  • 9. 
    What is the molar mass of NH3? ( in grams per mole)
    • A. 

      13

    • B. 

      14

    • C. 

      15

    • D. 

      17

    • E. 

      20

  • 10. 
    What is the molar mass of CH4
    • A. 

      16 grams per mole

    • B. 

      20 grams per mole

    • C. 

      24 grams per mole

    • D. 

      30 grams per mole

    • E. 

      14 grams per mole

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