Solutions SCH3U/4C

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

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

A solution that is considered dilute would ....

• Be dark in color

• Have a strong scent

• Have a large amount of solute

• Have a small amount of solute

salt water is a 

• compound
• element
• heterogeneous mixture
• solution

At 40 ^oC, the solution of 50g KCl in 100g of water would be:

• saturated

• supersaturated

• unsaturated

If the saturated solution of K₂Cr₂O₇ was cooled from 80 to 60 ^oC, how much solute would fall out?

• 20 g

• 40 g

• 10 g

• 30 g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

At 60^oC, the solution of 50 g KNO₃ in 100 g of water would be:

• Saturated

• Supersatured

• Unsaturated

For a gas, solubility will increase if _____ increases.

• Pressure
• Temperature
• Aggitation

How many L of a 14 mol/L solution must be used to make 250 mL of a 1.75 mol/L solution? C1V1=C2V2

• 0.031 L

• 31.3 L

• 2000 L

• 10.2 L