Chem Mastery Mole Conc Set 3

4 Questions
Chem Mastery Mole Conc Set 3
Sample Question

What is the concentration of a solution of 0.0039moles of lead(II) chloride in 25cm3?

0.14mol/dm3

0.16mol/dm3

0.18mol/dm3

0.20mol/dm3

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Questions and Answers
  • 1. 
    What is the concentration of a solution of 0.0039moles of lead(II) chloride in 25cm3?
    • A. 

      0.14mol/dm3

    • B. 

      0.16mol/dm3

    • C. 

      0.18mol/dm3

    • D. 

      0.20mol/dm3

  • 2. 
    How many moles are there in 100.cm3 of 1.10 calcium nitrate?
    • A. 

      0.110mol

    • B. 

      0.210mol

    • C. 

      0.310mol

    • D. 

      0.410mol

  • 3. 
    What is the concentration of a solution of 0.5 grams of sodium chloride dissolved in 0.05cm3of solution
    • A. 

      170.3mol/dm3

    • B. 

      170.5mol/dm3

    • C. 

      170.7mol/dm3

    • D. 

      170.9mol/dm3

  • 4. 
    How many grams of ammonia are present in 5.0 L of a 0.050 M solution?
    • A. 

      4.3g

    • B. 

      5.3g

    • C. 

      6.3g

    • D. 

      7.3g