True or false: concentration

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Molarity is moles of solute per litre of solution.

2. Statement is true

   Yes

   Statement

   Molality is moles of solute per kilogram of solvent.

3. Statement is true

   No

   Statement

   Molarity is measured per kilogram of solvent.

4. Statement is true

   Yes

   Statement

   Molality uses a mass, so temperature does not change it.

5. Statement is true

   Yes

   Statement

   Molarity uses a volume, which varies with temperature.

Explanation