Molarity Practice Quiz

8 Questions | Total Attempts: 10109

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Molarity Practice Quiz - Quiz

The concentration of a solution can be calculated even before it is formed by use of the number of moles they have. Calculating this Do you have an upcoming chemistry exam where you need to study morality? This quiz will help you practice molarities calculations. Give it a try and all the best!


Questions and Answers
  • 1. 
    Sea water contains roughly 28.0 g of NaCl per liter. What is the molarity of sodium chloride in sea water?
    • A. 

      0.479M

    • B. 

      0.488M

    • C. 

      0.499M

    • D. 

      0.610M

  • 2. 
    What is the molarity of 5.30 g of Na2CO3 dissolved in 400.0 mL solution?
    • A. 

      0.105M

    • B. 

      0.125M

    • C. 

      0.25M

    • D. 

      0.225M

  • 3. 
    What is the molarity of 5.00 g of NaOH in 750.0 mL of solution?
    • A. 

      0.15M

    • B. 

      0.167M

    • C. 

      0.172M

    • D. 

      0.184M

  • 4. 
    What is the molarity of a solution made by dissolving 20.0 g of H3PO4 in 50.0 mL of solution?
    • A. 

      3.08M

    • B. 

      4.08M

    • C. 

      5.08M

    • D. 

      6.08M

  • 5. 
    0.450 moles of NaCl are dissolved in 95.0 mL of water. Calculate the molarity of the NaCl solution.
    • A. 

      4.7M

    • B. 

      4.8M

    • C. 

      4.9M

    • D. 

      5.0M

  • 6. 
    15 g of NaCl occupy a volume of 75 mL. What is the molarity of the solution?
    • A. 

      3.4M

    • B. 

      3.6M

    • C. 

      3.8M

    • D. 

      4.0M

  • 7. 
    45.0 g of Ca(NO3)2 was used to create a 1.3 M solution. What is the volume of the solution?
    • A. 

      115ml

    • B. 

      190ml

    • C. 

      210ml

    • D. 

      250ml

  • 8. 
    How many moles of Ca(NO3)2 are there in 75 mL of 0.25 M solution?.
    • A. 

      0.0188mol

    • B. 

      0.02mol

    • C. 

      0.0321mol

    • D. 

      0.044mol

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