Solutions should be the cations of cupric nitrate, ammonium nitrate, zinc nitrate, calcium nitrate, aluminum nitrate, silver nitrate, ferric nitrate, and plumbous nitrate. The other seven solutions should be the anions of sodium hydroxide, sodium carbonate, potassium sulfate, sodium iodide, sodium phosphate, sodium chloride, and sodium chromate.
Divide students into groups of two.
Provide a bin of paper towels for the students to empty their well plates.
Students:
Obtain a pair of safety goggles from the goggle cabinet, a plastic reaction well plate for your group, two 250 mL beakers from station drawer to share with another group, 15 pipettes (each pipette labeled with the name of one aqueous solution) to share with another group, one glass stirring rod from the station drawers for you and your partner, a paper copy of the periodic table for your pair, a bottle of deionized water for the table of two groups to share, paper towels, soap, and one test tube brush from the station drawers for your own