Chemistry

The Equipment List:
 * 2 50 mL graduated cylinders (±1ml)
 * 6 Erlenmeyer flasks
 * 6 rubber stoppers
 * 400 mL of drinking water (will be collected on Monday)
 * 400 mL of West Lake water (will be collected on Monday)
 * 300 mL of 1 molar HCl
 * pH probe (±.005)
 * 1 electronic balance(±.005 grams)
 * 1 pipette