Mixtures Solutions and Solubility

Which of the following refers to the substance that is being dissolved in a solution?

• solvent

• solute

• mixture

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 g of water at 20°C?

• 100 g

• 150 g

• 200 g

• 250 g

What conclusion can be made using this solubility curve?

• Decreasing temperatures always increases solubility 
• Increasing temperatures always increases solubility
• Increasing temperatures usually increases solubility
• Temperature has no affect on solubility

What does this solubility curve show?

• Solubility increases as temperature increases
• Solubility decreases as temperature decreases
• Solubility decreases as concentration increases
• Solubility is not affected by temperature

Tags

NGSS.MS-PS1-4

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

Which substance is MOST soluble at 90 ºC?

• Solid A

• Solid B

• Solid C

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which solute is least soluble at 90 ⁰C?

• solid A

• solid B

• solid C

Tags

NGSS.MS-PS1-4

Define solubility

• a mixture of solute and solvent

• mass of solute to saturate 100g water at a given temperature

• mass of solute that can dissolve in a 100g water

• a solution which cannot hold any more solute at a particular temperature

Tags

NGSS.MS-PS3-4