Solubility and Solubility Curves

Which of the following is an example of a solvent?

• sugar

• salt

• copper sulphate

• water

Based on the solubility curve, how many grams of sugar will dissolve in a 100 mL of water at 20°C?

• 100 g

• 150 g

• 200 g

• 250 g

Tags

NGSS.MS-PS1-4

Which of the following should be done to make the solute dissolve faster in the solvent?

• stir the solute

• freeze the solute

• decrease the temperature of the solvent

• increase the particle size of the solute

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

Which of the following actions will NOT increase the rate of dissolution (dissolving)?

• Stirring the solution

• Decreasing the temperature

• Increasing the surface area of the

  solute

• Increasing the temperature

Tags

NGSS.MS-PS3-4

The substance that does the dissolving

• Solute

• Solvent

• Solution

• Miscibility

Which is an example of a solution?

• Salt and Sugar

• Salt Water

• Jelly beans

• Concrete

The most soluble substance at 40 degrees Celcius is

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

How much KCl will dissolve at 80 degrees Celcius?

• 52 g

• 50 g

• 40 g

• 60 g

Tags

NGSS.MS-PS1-4

At what temperature will NaCl dissolve 40 g?

Tags

NGSS.MS-PS1-4