Solutions/Acids/Bases

The substance being dissolved is called the ________

• solvent

• solid

• solute

• solvate

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

Another name for a homogeneous mixture is 

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

When a Koolaid mix in water is dark in color and very sweet it is a __________ solution.

• concentrated 
• Diluted

When Koolaid mix is light colored and tastes watery it is a _______ solution.

• saturated 
• diluted

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 95 ºC?

• 83 grams
• 75 grams
• 40 grams
• 12 grams

Tags

NGSS.MS-PS1-4

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

• Diluted
• Saturated

Which solute is the most soluble at 10 ⁰C?

• KI
• KClO₃
• NH₄Cl
• NH₃

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How does a solution become supersaturated?

• dissolve lots of solvent in it.
• dissolve a little solute in it. 
• dissolve more solute than you should be able to. 
• dissolve a super amount of solvent in it. 

Tags

NGSS.MS-PS1-2