EXPERIMENT 1 Investigating Properties of Solutions AIM: To investigate the effect of temperature on solubility and the effect of solute on boiling PART 1 - Work in pairs The Effect of Temperature on Solubility APPARATUS & MATERIALS: Bunsen Burner KI(s) Matches KNO3(s) Tripod Stand/ Gauze NaCl(s) Thermometers Distilled water Boiling Tubes [3] Solvent 250 mL Beakers [3] Solute PROCEDURE: Prepare three water baths of temperature 0oC, 25oC, and 100oC. Place three boiling tubes with 10cm3 water and a thermometer in each and allow the water to reach the desired temperatures of 0oC, 25oC and 80oC respectively. To each equilibrated boiling tube, add 2g NaCl and stir to dissolve. Observe in which boiling tube the salt dissolves fastest. Repeat steps 1-4 with KI. Repeat steps 1-4 with KNO3
EXPERIMENT 1 Investigating Properties of Solutions AIM: To investigate the effect of temperature on solubility and the effect of solute on boiling PART 1 - Work in pairs The Effect of Temperature on Solubility APPARATUS & MATERIALS: Bunsen Burner KI(s) Matches KNO3(s) Tripod Stand/ Gauze NaCl(s) Thermometers Distilled water Boiling Tubes [3] Solvent 250 mL Beakers [3] Solute PROCEDURE: Prepare three water baths of temperature 0oC, 25oC, and 100oC. Place three boiling tubes with 10cm3 water and a thermometer in each and allow the water to reach the desired temperatures of 0oC, 25oC and 80oC respectively. To each equilibrated boiling tube, add 2g NaCl and stir to dissolve. Observe in which boiling tube the salt dissolves fastest. Repeat steps 1-4 with KI. Repeat steps 1-4 with KNO3
chem_132_labs_201310.docx