DRAFT: This module has unpublished changes.

 

Preparation

 

Set Up:

 

1. Set up test tubes

  a. Label 4 clean numbered 1-4 and put in rack

b. Label pipets to prevent solution contamination

c. Add 4 to 5 drops of KH2PO4,Na2SO4, NaCl, NaNO3 to the test tubes in the ordered table

d. Add 5 M ammonia to each solution-3 drops

 

Preparation for the unknown:

In test tube 5, add 15 drops of unknown 2 solution and 3 drops of 5 M ammonia into the solution.

Table 2: Solutions

Test Tube

Known Anion

1

Phosphate

2

Sulfate

3

Chloride

4

Nitrate

5

Unknown

DRAFT: This module has unpublished changes.