Changing Mass To Moles And Moles To Mass

10 Questions | Total Attempts: 621

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Mass Quizzes & Trivia

How many grams of Calcium are present in 2. 3 moles of calcium?


Questions and Answers
  • 1. 
    How many grams of Calcium are present in 2.3 moles?
    • A. 

      92.18 g

    • B. 

      24.02 g

    • C. 

      40.08 g

    • D. 

      80.16 g

  • 2. 
    How many grams of NaCl is present in 6.3 moles?
    • A. 

      58.44 g

    • B. 

      368.17 g

    • C. 

      231.2 g

    • D. 

      9.27 g

  • 3. 
    How many grams are in 2.3 moles of Na2SO4? (The molar mass of Na2SO4 is 142.05g/mol)
    • A. 

      61.76 g

    • B. 

      326.72 g

    • C. 

      163.36 g

    • D. 

      81.68 g

  • 4. 
    How many grams of NH­3  are in 9.2 moles? (The molar mass of NH3= 17.03 g/mol)
    • A. 

      1.85 g

    • B. 

      19.25 g

    • C. 

      156.68 g

    • D. 

      123.83 g

  • 5. 
    How many grams of LiCl are in 6.7 moles? (The molar mass of LiCl = 42.39 g/mol)
    • A. 

      42.39 g

    • B. 

      6.33 g

    • C. 

      239.01 g

    • D. 

      284.01 g

  • 6. 
    How many moles of LiBr are there in 486.30 g of LiBr? (The molar mass of LiBr = 86.84 g/mol)
    • A. 

      5.6 moles

    • B. 

      42,230.292 moles

    • C. 

      193.2 moles

    • D. 

      3.0 moles

  • 7. 
    How many moles are there in 814.504 g of H2O?
    • A. 

      14,677.36 moles

    • B. 

      20.2 moles

    • C. 

      45.2 moles

    • D. 

      3,214.52 moles

  • 8. 
    How many moles of CO2 are there in 171.639 g of CO­2?
    • A. 

      44.01 moles

    • B. 

      3.9 moles

    • C. 

      7,5553.83 moles

    • D. 

      130.22 moles

  • 9. 
    How many moles of K­2O are in 367.38 g of K2O?
    • A. 

      34,607.2 moles

    • B. 

      367.38 moles

    • C. 

      3.9 moles

    • D. 

      5.9 moles

  • 10. 
    How many moles of AlCl3 are there in 1,119.972 g?
    • A. 

      8.4 moles

    • B. 

      16.8 moles

    • C. 

      32,739.04 moles

    • D. 

      6.2 moles