Solutions Notes

Multiple Choice

What is a substance that is dissolved in another substance? 

• solution

• solute

• solvent

• compound

Multiple Choice

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

Multiple Choice

Another name for a homogeneous mixture is 

• an element.

• a solution.

• a compound.

Multiple Choice

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

• water

• powder

• sugar

• powder and sugar

Multiple Choice

In a solution, the substance that is dissolved is called the _________________.

• colloid

• solute

• solvent

• suspnsion

Multiple Choice

Water and Kool-Aid are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?

• Water

• Coffee

• Kool-aid

• Sugar

Multiple Choice

It does NOT dissolve in water.

• soluble

• insoluble

Multiple Choice

A substance in the mixture that you can see float or sink at is ______________.

• soluble

• insoluble

Multiple Choice

A mixture that looks clear contains _________ substance.

• soluble

• insoluble

Multiple Choice

flour

• soluble

• insoluble

Multiple Choice

pepper

• soluble

• insoluble

Multiple Choice

tea leaves

• soluble

• insoluble

Multiple Choice

rice grains

• soluble

• insoluble

Multiple Choice

instant coffee (3 in 1coffee mix)

• soluble

• insoluble

Multiple Choice

baking powder

• soluble

• insoluble

Multiple Choice

The amount of material dissolved in a measure of liquid is______

• dilute

• concentration

• volume

Multiple Choice

when you __________ a solution, you make it less concentrated, usually by adding more liquid

• concentrate

• dilute

• stir

• mix

Multiple Choice

A soft drink that is more diluted is ______ in color and ______ in taste

• darker, weaker

• lighter, weaker

• darker, stronger

• lighter, stronger

Multiple Choice

A soft drink that is more concentration is _____ in color and _______ in taste

• lighter, stronger

• darker, weaker

• lighter, weaker

• darker, stronger

Multiple Choice

Which pitcher is the most diluted?

• 100 mL water

  125 g of mix

• 100 mL water

  100 g of mix

• 100 mL water

  50g of mix

• 100 mL water

  25g of mix

Multiple Choice

What could you do to the pitchers to make them more concentrated?

• add more mix

• add more water

Multiple Choice

What could you do to the pitchers to make them more diluted?

• add more water

• add more mix

Multiple Choice

a solution containing a SMALL amount of solute compared with the amount of solvent present

• concentrated

• heterogneous

• diluted

• homogeneous

Multiple Choice

solution containing a LARGE amount of solute compared with the amount of solvent present

• dilute

• concentrated

• solution

• mixture

Multiple Choice

very light, weak iced tea is an example of

• a concentrated solution

• a diluted solution

Multiple Choice

chocolate milk that contains a large amount of syrup compared to the amount of milk is

• a concentrated solution

• a dilute solution

Multiple Choice

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

• saturated 

• diluted

Multiple Choice

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

• concentrated 

• Diluted

Multiple Choice

Which factor affecting solubility is shown in the picture?

• temperature

• height

• stirring

• particle size

Multiple Choice

Why do sugar particles dissolve faster in hot water?

• water particles move slow

• water particles move fast

• water particles settle down

• water particles stay on top

Multiple Choice

How does particle size affect solubility?

• bigger particles dissolve faster

• smaller particles can occupy the space in water faster

• bigger particles spread faster than smaller particles

Multiple Choice

What are the factors that affect solubility?

• rate of stirring

• particle size

• temperature

• all of these

Multiple Choice

In a solid to liquid mixture, an increase in temperature means...

• increase in solubility

• decrease in solubility

Multiple Choice

Stirring the solution increases or decreases the solubility?

• increases

• decreases

Multiple Choice

Which will dissolve faster crushed table salt or crystal of table salt?

• crushed table salt

• crystal of table salt

Multiple Choice

What combination would dissolve a solid solute the fastest?

• high temperature, no stirring

• no heat, no stirring

• sugar cube, no heat

• high temperature, stirring

Multiple Choice

What would dissolve most slowly?

• Large crystals in stirred water

• Large crystals in unstirred water

• Small crystals in stirred water

• Small crystals in unstirred water

Multiple Choice

What factors DO NOT affect solubility 

• Temperature

• Pressure 

• Color

Multiple Choice

You and your friend have a contest to see who can make iced tea the fastest. Which of the following would NOT help you win?

• Cooling the water

• Using smaller crystals

• Heating the water

• Stirring quickly

Multiple Choice

Hot water allows powdered chocolate mix to dissolve faster than cold water does.

• True

• False

Multiple Choice

Solubility is  ____________ as temperature is increases

• Increasing

• Decreasing

• Natural

• None of this

Multiple Choice

When no more solute dissolves the solution is _________

• supersaturated

• unsaturated

• saturated

• supercalifragilisticexpialidocious

Multiple Choice

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

• Diluted

• Saturated

Multiple Choice

How does a solution become supersaturated?

• dissolve lots of solute in it.

• dissolve a little solute in it. 

• dissolve more solute than you should be able to. 

• dissolve a solvent in it. 

Multiple Choice

Which of the following statements is true?

• B is a saturated solution

• A is a supersaturated solution

• C is an unsaturated solution

• None of the above

Multiple Choice

When the solution equilibrium point is reached and no more solute will dissolve, the solution is said to be _________.

• unsaturated

• saturated

• supersaturated

Multiple Choice

What do you call a solution that contains less than the maximum amount of solute that is capable of being dissolved?

• unsaturated solution

• saturated solution

• supersaturated solution

• insoluble solution

Multiple Choice

This solution would be considered

• Unsaturated

• Supersaturated

• Saturated

• Undefined

Multiple Choice

This graph represents a(n) ___ solution

• saturated

• supersaturated

• unsaturated

• undefined

Multiple Choice

Using the solubility curve decide whether 50g of NaCl dissolved in 100 of water at 60°C is unsaturated, saturated or supersaturated.

• saturated

• unsaturated

• supersaturated

Multiple Choice

You have 30g of NH₄Cl, how many more grams of NH₄Cl would have to be added to 100g of water at 45°C to have a saturated solution?

• 10g

• 20g

• 25g

• 15g

Multiple Choice

At which temperature do KBr and KNO3 have the same solubility?

• 60

• 55

• 50

• Never

Multiple Choice

How many grams of NaCl are required for the solution to become saturated at 10°C?

• 37 g

• 70 g

• 50 g

• 25 g

Multiple Choice

Determine if the following is unsaturated, saturated, or supersaturated. 15g of NH₃ at 90°C

• unsaturated

• saturated

• supersaturated

Multiple Choice

Line A - the Compound is a

• Solid

• Gas

Multiple Choice

Line B - the Compound is a

• Solid

• Gas