Chem Mastery Per Comp Set 1

3 Questions

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Chem Mastery Per Comp Set 1

Questions and Answers
  • 1. 
    What percentage Cu is there in CuBr2?
    • A. 

      26.4

    • B. 

      27.4

    • C. 

      28.4

    • D. 

      29.4

  • 2. 
    What percentage Na is there in NaOH?
    • A. 

      56.5

    • B. 

      57.5

    • C. 

      58.5

    • D. 

      59.5

  • 3. 
    What percentage N is there in (NH4)2S?
    • A. 

      41.1

    • B. 

      42.1

    • C. 

      43.1

    • D. 

      44.1