Intro to Chem Unit 5 Test Review

The solvent

• Is the smaller portion of the solution
• Is the larger portion of the solution

The solute

• Is the smaller part of the solution
• Is the larger part of the solution

In a glass of Gatorade, which of the following would be considered the solution?

• The powder
• The water
• The actual beverage, Gatorade
• Need more information

In a glass of Gatorade, which of the following would be considered the solvent?

• The powder
• The water
• The actual beverage, Gatorade
• Need more information

In a glass of Gatorade, which of the following would be considered the solute?

• The powder
• The water
• The actual beverage, Gatorade
• Need more information

What would need to happen for a solution to become supersaturated?

• Stir it very fast
• Heat the solution up
• Just keep adding more solute 
• This is not possible

Concentration = g solute / L solution

What is the concentration in g/L of a solution when 15 grams of sugar is added to 2,000 mL of water? 

• 7.5 g/L
• .075 g/L
• .13 g/L
• 13.3 g/L

Concentration = g solute / L solution

A solution has a concentration of 5.65 g/L. If the solution contains 25 g of solute, what is the volume of solution in L?

• 141.25 L
• .226 L
• 4.42 L
• .0003 g/L

% by mass = g solute / g solution *100
 
What is the percent by mass of 5.0 g of iron (II) sulfate dissolved in 75.0 g of water? 

• 3.6%
• 6.3%
• 63%
• 36%

Solubility 

• The transition from solid to liquid
• The rate in which something dissolves
• How transparent a liquid is 
• The amount of solute that can be dissolved in a solution at a given temperature