Boiling Point Elevation

Colligative properties of solutions are those properties that depend on

• the amount of solute only

• the identity of solute only

• both the identity and the amount of solute

Molality is

• the moles of solute in 1g of solvent

• the moles of solute in 1g of solution

• the moles of solute in 1kg of solvent

• the moles of solute in 1kg of solution

The boiling point of a solution is ___________ that of a pure solvent

• more than

• less than

• equal to

What is the molality of a solution containing 2.35g of NaCl in 0.55Kg of water?

• 0.0731

• 4.27

• 0.427

• 7.31

When KCl (potassium chloride) is dissolved in water, how many particles are in solution for each unit?

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• 2

• 3

• 4

• 6

Tags

NGSS.MS-PS1-2

When CaBr₂ is dissolved in water, how many particles will be in solution for each unit?

• 1

• 2

• 3

• 4

• 5

When CH₃OH is dissolved in water, how many particles are in solution for each unit?

• 1

• 3

• 4

• 5

• 6

What type of substance dissolves in water but does not form ions or conduct electricity?

• electrolyte

• nonelectrolyte

• saturated

• insoluble

Colligative properties depend on the _____ of solute particles in solution.

• type
• number
• pH
• nature

Which one of the following diagrams has the lowest vapor pressure?

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• 5