Chem Mastery Moles Particles Set 2

4 Questions
Chem Mastery Moles Particles Set 2
Sample Question

How many molecules are there in 133.45 moles of SO2?

8E25

10E25

12E25

14E25

16E25

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Questions and Answers
  • 1. 
    How many molecules are there in 133.45 moles of SO2?
    • A. 

      8E25

    • B. 

      10E25

    • C. 

      12E25

    • D. 

      14E25

    • E. 

      16E25

  • 2. 
    How many moles are 3.01E24 formula units of (NH4)2SO4?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      5

  • 3. 
    How many moles of nitrogen are there in 4.3E23 molecules?
    • A. 

      0.5

    • B. 

      0.7

    • C. 

      0.9

    • D. 

      1.1

    • E. 

      1.3

  • 4. 
    How many cadmnium atoms are there in 6.7E3 moles?
    • A. 

      1E27

    • B. 

      2E27

    • C. 

      3E27

    • D. 

      4E27

    • E. 

      5E27