Colligative Properties

How many moles of particles (what is "i") for the substance Na₂CO₃?

(a)  

Which of the following is a colligative property?

• molarity depression

• molality increasing

• ppm

• vapor pressure lowering

Which of the following is a colligative property?

• boiling point elevation

• vapor pressure elevation

• molarity depression

• vapor pressure lowering

Which of the following is a colligative property?

• boiling point stability

• freezing point depression

• molar dissociation

• ions dissolving

What is the value of "i" for CCl₄?

• 1

• 5

• 3

• 0

What is the value of "i" for KNO₃?

• 1

• 5

• 3

• 2

What is the value of "i" for C₆H₁₂O₆?

• 12

• 6

• 1

• 24

What is the new boiling point of a solution of 1 molal NaCl? The K_b for water is .51°C/m.

• 100.51°C

• 100°C

• 101.02°C

• -0.51°C

An equal number of moles of NaCl and CaCl₂ are dissolved in equal volumes of water. Which solution has the lower freezing point?

• CaCl₂

• NaCl

• They are the same.

• No way to tell.

An equal number of moles of NaCl and CaCl₂ are dissolved in equal volumes of water. Which solution has the lower BOILING point?

• CaCl₂

• NaCl

• They are the same.

• No way to tell.