Electrochemical Series, Includes:15 Copper Metal Strips, 15 Zinc Metal Strips, 15 Magnesium Metal Strips, 15 Iron Metal Strips, 15 Aluminum Metal Strips, 75 Filter Paper Strips
Molarity Lab Investigation Kit, concepts of molarity, Includes: 400 mL 0.3 M Hydrochloric Acid, 45 mL Phenolphthalein Solution, 5L 0.1 M Sodium Hydroxide, 1200g Sucrose, 400 mL Unknown Hydrochloric Acid No. 1, 2 and 3, has enough materials for 15 groups