Solutions Review ANSWERS

 

1.       Explain the differences between suspensions and solutions.

          Particles in a suspension can be seen and in a solution the particles cannot be seen.

 

2.       Characterize the following as suspensions or solutions.

          a.       Salad dressing                  Suspension

          b.       Salt water                        Solution

          c.       Tomato juice                    Suspension

          d.       Popcorn and M&M’s           Suspension

 

3.       What is solubility?

          How many grams of solute can be dissolved in 100 grams of solvent

          Or does it dissolve in water?

 

4.       How do you calculate molarity?

          Molarity = moles / liters

 

5.       You have 3.50 L of solution that contains 90.0 g of sodium chloride.  What is the molarity of that solution?

<Handwritten content>

6.       You have 80 mL of a 0.5 M HCl solution.  How many moles of HCl does this solution contain?

<Handwritten content>

7.       How many grams does this represent?

<Handwritten content>

8.       How many grams hydrogen sulfate would be required to react with 755 mL of 2.50 M aluminum hydroxide, if the products are aluminum sulfate and water?