When CH₃OH is dissolved in water, how many moles of particles does it put into solution?

• 1

• 3

• 4

• 5

• 6

When CaI₂ is dissolved in water, how many moles of particles does it put into solution?

• 1

• 2

• 3

• 4

• 6

Tags

NGSS.HS-PS1-7

When KCl is dissolved in water, how many moles of particles does it put into solution?

• 1

• 2

• 3

• 4

• 6

Tags

NGSS.HS-PS1-7

When Na₃PO₄ is dissolved in water, how many particles will be in solution for each unit?

• 1

• 2

• 3

• 4

• 8

At the same concentration, which of the following will depress (lower) freezing point the most?

• C₂H₄O₂

• C₁₂H₂₂O₁₁

• LiBr

• CaF₂

What type of solute will dissociate as it dissolves in a solvent? Select all that apply.

• ionic

• polar covalent

• nonpolar covalent

What happens to the freezing point of water as a solute is added to it?

• it increases (elevates)

• it decreases (depresses)

• it stays the same (constant)

Which of the following statements is TRUE?

• Ionic solutes affect colligative properties more than covalently bonded solutes because they produce more moles of solute in solution.

• Ionic solutes affect colligative properties less than covalently bonded solutes because they produce less moles of solute in solution.

• Covalent solutes affect colligative properties more than ionically bonded solutes because they produce more moles of solute in solution.

• Covalent solutes affect colligative properties less than ionically bonded solutes because they produce more moles of solute in solution.

Tags

NGSS.HS-PS1-5

What is freezing point?

• the temperature at which a solid changes to a gas

• the temperature at which a liquid changes to a solid

• the temperature at which a liquid changes to a gas

• the temperature at which a solid changes to a liquid.

Tags

NGSS.MS-PS1-4

What happens to the boiling point of water as a solute is added to it?

• it increases (elevates)

• it decreases (depresses)

• it stays the same (constant)