Solutions Test

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

• saturated 

• diluted

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

• concentrated 

• Diluted

Sugar dissolved in water is an example of which solute-solvent combination?

• gas-liquid

• liquid-liquid

• solid-liquid

• cannot be determined

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

• Put it in cold water and stir it

• Put it in warm water and stir it

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• Heating the mixture

• Adding more water “solvent”

• Adding more powder “solute”

• Stirring the mixture

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

• Diluted

• Saturated

• Unsaturated

• Supersaturated

How many grams of KCl, are soluble in 100 g of water at 95 ºC? (a)  

• 38 grams

• 56 grams

• 40 grams

• 12 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

If 120 grams of table salt are added to 100 grams of water at 45 C, how many grams do not dissolve?

• 84 g

• 36 g

• 79 g

• Not enough info. to determine

Which solute is the most soluble at 10 ⁰C? ​ ​ (a)  

• KClO3

• NH4Cl

• NH3

• NaNO3

Which solute is the least soluble at 90 ⁰C? (a)  

• KClO3

• KI

• NH3

• NaNO3

Tags

NGSS.MS-PS1-2