Students determine the equilibrium constant of three unknown acids and compare the data to known values to identify them. Kit Includes: 1 x 10g Benzoic Acid Crystals 1 x 10g Potassium Hydrogen Phthalate 1 x 10g Sodium Bisulfate (Sodium Hydrogen Sulfate) 10 x 250mL Sodium Hydroxide, 0.1M Solution 4 x 25mL Phenolphthalein, 1% in IPA Solution DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only WARNING: This product can expose you to chemicals including Phenolphthalein, which is known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov.