Solutions

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

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

salt water is a 

• compound
• element
• heterogeneous mixture
• solution

air is a 

• compound
• element
• heterogeneous mixture
• solution

Another name for a homogeneous mixture is 

• an element.
• a solution.
• a compound.

When a certain amount of solvent cannot hold any more solute it is called a ________ solution.

• Diluted
• Saturated

To make a solute dissolve more quickly i n a solvent which would you do?

• Put it in cold water and stir it
• Put it in warm water and stir it

How many moles are in 19.82 g Mg?

• 1.226 mol Mg

• 481.7 mol Mg

• 1.000 mol Mg

• 0.8155 mol Mg

What is the mass in grams of 3.45 mol of Selenium (Se)?

• 2.08x10²³ g Se

• 22.9 g Se

• 272 g Se

• 5.73x10^-24