Science Lab Concentration

Overview

PHSC 1021 online 1 | P a g e

Concentration part 2: Activities

Web link:

• PhET Concentration https://phet.colorado.edu/en/simulations/concentration

Activity 1: Molar Mass Calculations

For this activity, you will need the periodic table in Appendix A of the prelab.

Using the periodic table, determine the molar mass of the following compounds:

1. Cobalt(II) nitrate, Co(NO3)2

2. Cobalt(II) chloride, CoCl2

3. Potassium dichromate, K2Cr2O7

4. Potassium chromate, K2CrO4

5. Nickel(II) chloride, NiCl2

6. Copper(II) sulfate, CuSO4

7. Potassium permanganate, KMnO4

8. Sodium chloride, NaCl