GENERAL SANTOS DOCTORS’ MEDICAL SCHOOL FOUNDATION, INC.
NAME:_______________________________________________DATE PERFORMED:_________________
C/Y/S:____________________________________
RATING:__________________________
LABORATORY ACTIVITY 7
BOILING POINT ELEVATION
OBJECTIVES:
1.
2.
3.
MATERIALS:
waterbath
Calcium chloride
watch
Procedure
1. Prepare 4 100mL water, label from A to D
2. Container A: place hot waterbath + 100g H20. Record the data
3. Container B: place hot waterbath + 100g H20 + 2.0g Calcium chloride. Record the data
4. Container C: place hot waterbath + 100g H20 + 4.0g Calcium chloride. Record the data
5. Container D:place hot waterbath + 100g H20 + 6.0g Calcium chloride. Record the data
RESULTS AND OBSERVATIONS:
EXPERIMENT
BOILING POINT
Pure water
Water + 2.0g Calcium chloride
Water + 4.0g Calcium chloride
Water + 6.0 g Calcium chloride
QUESTIONS:
1. Explain why salting your water is only to add flavour and doesn’t make your food cook faster in any
significant way.
ANALYTICAL CHEMISTRY
GENERAL SANTOS DOCTORS’ MEDICAL SCHOOL FOUNDATION, INC.
CONCLUSIONS:
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
ANALYTICAL CHEMISTRY