Name: ______________________________________
Worksheet – Electrolytes and Colligative Properties
1. Define and give an example of each of the following: strong electrolyte, weak electrolyte, and nonelectrolyte.
2. Define colligative properties. Give an example of a physical property affected by the number of particles.
3. Calculate the osmolarity of the following solutions.
1.5 M NaCl _______________
2 M MgCl2 ________________
2.5 M Al2(SO4)3 _______________
4. Give the net direction of water flow (→ or ←) when the following pairs of solutions are separated by a semipermeable membrane.
1 M NaCl _____|______ 1 M Mg Cl2
1 M NaCl _____| _____ 1 M Glucose
1 M Al2(SO4)3 ____|_____ 3 M NaCl
1 M Al2(SO4)3 _____ |_____ 1.5 M MgCl2
3 M NaCl _____|_____ 1 M Al2(SO4)3
2 M Al2(SO4)3 _____|_____ 3 M MgCl2
Red blood cell ______|_____ hypotonic solution
Red blood cell _____|_____ hypertonic solution
Red blood cell ______|_____ isotonic solution
5. True or False. Small molecules can pass through a dialysis membrane.