Higher or Lower: Solutions (ISC 12)

Exercise and reference answers

Questions

1. A

   Boiling point of pure water

   B

   Boiling point of salt water

   Higher value

   Boiling point of salt water

2. A

   Freezing point of pure water

   B

   Freezing point of salt water

   Higher value

   Freezing point of pure water

3. A

   Vapour pressure of pure solvent

   B

   Vapour pressure of solution

   Higher value

   Vapour pressure of pure solvent

4. A

   Molality (mol per kg solvent)

   B

   Molarity (mol per L solution)

   Higher value

   Molality (mol per kg solvent)

5. A

   Osmotic pressure of 1 M NaCl

   B

   Osmotic pressure of 1 M glucose

   Higher value

   Osmotic pressure of 1 M NaCl

Instructions

Tap the side with the higher value.