Colligative Properties of Solutions

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

Mathematical Equivalence

ON

When 11.0 g of CaCl₂ dissolves in 45.0 g of water, what is the boiling point of the solution? (K_b = 0.512 ^oC/m)

• 3.4

• 103.4

• 101.1

• 1.1

• 101.4

Find the boiling point of a solution containing 15.0 g sucrose (molar mass = 342.3g/mol), in 100g of water. (Kb = 0.512 ^oC/m)

• 100.2

• 99.8

• 0.2

• -0.2

Tags

NGSS.HS-PS3-1

When 26.0 g of NaCl, are dissolved in 0.5 kg of water, what is the freezing point of this solution? (K_f = 1.86 ^oC/m)

• -3.3

• 103.3

• -1.7

• -0.8

Tags

NGSS.HS-PS3-1

Molality is measured in

• mols per kg
• mols per L
• mols per kJ
• mols per mL