Mixtures and Solutions Review

Marie added iced tea mix to make a pitcher of iced tea.  The iced tea mix contains iced tea powder, sugar and citric acid.  Marie added four scoops of powder to the pitcher and stirred it until all the powder had dissolved.  
Did Marie create a mixture or a solution?

• She created a solution, but not a mixture
• She created a mixture, but not a solution
• She created a mixture AND a solution
• She didn't create a mixture or a solution

In Marie's pitcher of iced tea, is the sugar a solute, a solvent, or something else?

• The sugar is a solute
• The sugar is a solvent
• The sugar isn't a solute or a solvent.

What is the water in the iced tea mixture?

• The water is a solute.
• The water is a solvent.
• The water isn't a solvent or a solute -- it's just water!!

How can Marie separate the water from the iced tea powder?

• She can pour the iced tea through a screen
• She can pour the iced tea through a coffee filter
• She can boil the iced tea until all the water is gone.
• She can wait for a few minutes and the iced tea powder will settle to the bottom of the pitcher.

Marie also makes a snack of yogurt and granola.  She mixes two scoops of granola into a cup of yogurt.  Did she create a mixture, a solution, or neither?

• The yogurt and granola is a mixture.
• The yogurt and granola is a solution.
• The yogurt and granola isn't a mixture or a solution.
• The yogurt and granola is a mixture AND a solution.

What is the mass of 7 milliliters (mL) of water?

• 70 milligrams (mg)
• 100 mg
• 7 mg
• 10 mg

What is the volume of 37 mg of water?

• 37 milliliters (mL)
• 1000 mL
• 370 mL
• 50 mL

Florence adds 3 spoons of solid to 100 mL of water. The solution is clear, with nothing on the bottom of the cup. One spoon of the solid has a mass of 5 g. What is the mass of the solution?

• 5 g
• 15 g
• 105 g
• 115 g

Florence adds 3 spoons of solid to 100 mL of water. The solution is clear, with nothing on the bottom of the cup. One spoon of the solid has a mass of 5 g.  Florence separates her solution by letting it evaporate.  How much solid is left after all the water has evaporated?

• 5 g
• 15 g
• 105 g
• 115 g

Which solution is the most concentrated?

• Solution 1
• Solution2
• Solution 3
• They all have the same concentration.