- Calcium chloride, CaCl2, solid, 100 g
- Phenol red solution, 0.02%
- 70 mL Pipet
- Sodium bicarbonate, NaHCO3, solid, 40 g
- Water, distilled or deionized, 70 mL
- Beakers, 50-mL (2)
- Beakers, 100-mL (2)
- Graduated cylinder, 10-mL
- Pen, labeling
- Sealable, zipper-lock plastic bags
- Teaspoon and tablespoon scoops
- Wash bottle filled with distilled or deionized water