Kennedy--Interim #2 Review (solutions and stoichiometry)

Solid solutes dissolve quicker in _________ water.

• cold

• warm

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Gas solutes dissolve better in _________ water.

• cold

• warm

Tags

NGSS.MS-PS1-4

The substance being dissolved in a solution is the?

• solution

• solute

• solvent

• mixture

The substance in which a solute is dissolved is a?

• solution

• solvent

• alloy

• mixture

Solutions are composed of __________ .

• salts and solutes
• solvents and salts
• solutes and alloys
• solutes and solvents

If I dissolve sugar in water, what is the solute?

• Water
• Hydrogen
• Sugar
• Carbon

If I dissolve sugar in water, what is the solvent?

• Sugar

• There is no solvent

• Oxygen

• Water

At 80'C, KBr's solubility is:

• 100g

• 90g

• 80g

• 0g

Tags

NGSS.HS-PS3-4

Identify if the following solution would be saturated, unsaturated, or supersaturated: 103 g KBr at 70'C.

• Unsaturated

• Saturated

• Supersaturated

Which of these solutes is a gas and how do you know?

• Yb₂(SO₄)₃ because it has a negative slope

• NaCl because it has a zero slope

• KNO₃ because it has a positive slope

Tags

NGSS.MS-PS1-2