Chem Mastery Mole Conc Set 1

4 Questions
Chem Mastery Mole Conc Set 1
Sample Question

What is the concentration of a solution of 0.694moles of sodium hydroxide in 400.cm3?

1.70mol/dm3

1.72mol/dm3

1.74mol/dm3

1.76mol/dm3

More Options
Please wait...
Questions and Answers
  • 1. 
    What is the concentration of a solution of 0.694moles of sodium hydroxide in 400.cm3?
    • A. 

      1.70mol/dm3

    • B. 

      1.72mol/dm3

    • C. 

      1.74mol/dm3

    • D. 

      1.76mol/dm3

  • 2. 
    How many moles are there in 500.cm3 of 1.25M sodium oxide?
    • A. 

      0.625mol

    • B. 

      0.645mol

    • C. 

      0.665mol

    • D. 

      0.685mol

  • 3. 
    What is the concentration of a solution of 0.5 moles of sodium chloride dissolved in 0.05 dm3 of solution?
    • A. 

      1mol/dm3

    • B. 

      2mol/dm3

    • C. 

      10mol/dm3

    • D. 

      20mol/dm3

  • 4. 
    How many grams of calcium hydroxide are present in 680cm3 of a 0.50M solution?
    • A. 

      20g

    • B. 

      25g

    • C. 

      30g

    • D. 

      35g