These sample problems will help you get ready for your next exam. Try a few. You can e-mail your answers for extra credit on homework! (you may also print your answers and bring them in to class)

1. What is the density of an object with a mass of 60g and a volume of 2cm3?
   

   
   

   
   

2. You are given the following information: mass= 48g; volume=24 cm3. What is the density of this substance?
   

   
   

   
   

3. If you have a gold brick that is 2cm by 3cm by 4cm and has a density of 19.3g/cm3, what is its mass?
   

   
   

   
   

4. Calculate the mass of a substance which has a volume of 35 cm3 and a density of 0.5g/ cm3.
   

   
   

   
   

5. What is the density of a rock if its mass is 36g and its volume is 12cm3?
   

   
   

   
   

6. If a block of wood has a density of 0.6g/cm3 and a mass of 120g, what is its volume?
   

   
   

   
   

7. What is the density of an object that has a mass of 25g and a volume of 10cm3?
   

   
   

   
   

8. What is the mass of an object that has a volume of 34cm3 and a density of 6g/cm3?
   

   
   

   
   

9. What is the density of an object with a volume of 4cm3 and a mass of 8g? If you placed this object in a glass of water would the object float or sink?
   

   
   

   
   

10. The density of Platinum is 21.45g/cm3. How much space would 107.25g take up? If you cut this mass in half what would the density of Platinum be?
    

    
    

    
    

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