Unit 12 - Solutions (General)

The substance being dissolved is called the ________

• solvent

• solid

• solute

• solvate

Molarity is defined as _________ divided by ___________

• mol, liters

• mol, kg

• kg, liters

• liters, kg

Kool-Aid - Powder, sugar, and water
Identify the solvent 

• water
• powder
• sugar
• powder and sugar

The concentration of a mixture can be increased in which of the following ways?

• Heating the mixture

• Adding more solvent

• Adding more solute

• Stirring the mixture

If a substance is soluble, that means it ____

• Can dissolve in water

• Cannot dissolve in water

• Partially dissolves in water

What does it mean to dilute a solution?

• add more solvent to decrease the concentration

• add more solute to increase the concentration

• add more solvent to increase the concentration

• add more solute to decrease the concentration

A type of mixture that forms when a substance dissolves in water is known as:

• heterogeneous mixture

• aqueous solution

• solute

• solvent

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

In the above picture, a powder is about to be poured into the liquid. Which of the following should be done to make this powder dissolve faster?

• stir the powder in the liquid
• freeze the mixture
• add more powder to the liquid
• store the mixture in a dark place

The concentration of a mixture can be increased in which of the following ways?

• Heating the mixture
• Adding more water “solvent”
• Adding more powder “solute”
• Stirring the mixture