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CHEM 205/CHEMISTRY 205 (General Chemistry I) LABORATORY MANUAL Concordia University CA$24.76   Add to cart
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CHEM 205/CHEMISTRY 205 (General Chemistry I) LABORATORY MANUAL Concordia University
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CHEM 205/CHEMISTRY 205 (General Chemistry I) LABORATORY MANUAL Concordia University

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  • December 8, 2024
  • 48
  • 2024/2025
  • Exam (elaborations)
  • Unknown

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  • chem 205chemistry 205 general chemistry i
  • chem 205 general chemistry i

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CHEM 205/CHEMISTRY 205 (General
Chemistry I) LABORATORY MANUAL Concordia
University

(FALL 2021 UPDATE)

TABLE OF CONTENTS




EXPERIMENT NAME PAGES

DENSITIES OF LIQUIDS........................................................................................DENSITY 1-9

SEPARATION OF A MIXTURE.....................................................................SEPARATIONS 1-8

ANALYSIS, MAKING OBSERVATIONS AND
CALCULATING CONCENTRATIONS.....................................................................ANALYSIS 1-8

SOLUBILITIES vs REACTIONS
AND SYNTHESIS OF CALCIUM ACETATE.........................................................SYNTHESIS 1-9




APPENDIX

Health & Safety Information

, SAFETY FIRST

Experiments outlined in this laboratory manual are expected to be safe enough to be carried
out at home. However, some safety precaution must be taken in order to safely perform these
experiments in a home setting instead of a controlled laboratory. Even though all chemicals
used in the experiments are common household items, hazard may still arise if instructions are
not carefully followed.

1. Only perform the experiment exactly as described in the laboratory manual.
2. Always be well-prepared and familiar with the laboratory procedures before you perform
the experiment. If you are unclear about any step, refer to your demonstrator before you
begin.
3. Do not taste, touch or smell chemicals unless you are instructed to do so.
4. Do not allow young children or pets to be around you when you perform your
experiments. Make sure they cannot accidentally knock containers over while you are
performing your experiment.
5. Perform your experiments in a well-lit, well-ventilated area with tabletop coverings.
Remember to clean the work surface and wash your hands with soap after the
experiments.
6. Do not use your kitchenware to hold chemicals. Always use the equipment provided in
your kit.
7. Immediately label clearly any chemicals that you transfer out of the original containers.
Keep them out of reach of young children and pets.
8. Be extra careful when handling the tincture of iodine. It causes stains that are not easily
removed. Keep away from pets and children and dispose properly.

, EQUIPMENT REQUIRED

Some simple apparatus are required to perform the experiments in this lab manual. For
the convenience of students, we have arranged with a local Montreal vendor,
Chemscience http://chemscience.com/, to offer all equipment to be sold and shipped as a
complete kit for
$163.90 CAD plus taxes and shipping. The vendor will ship the kit globally at your cost. While it
is possible to obtain the equipment from other sources, we have tested the specifications and
quality of products from this vendor to be suitable for the CHEM 205 laboratory. Your
demonstrators can only provide support on best-effort basis if your equipment is sourced
elsewhere. Students are responsible to place the order in advance to ensure the kit arrives in
time for your experiments.

To place the order, you must fill out the google document provided in the link below (you
can copy the link and paste it on the google search engine).

https://docs.google.com/forms/d/e/1FAIpQLSfdFfZIyyPLHrcMSehqRGdH1VmJIk5RgdOqGe7LiX
AXQm4UNw/viewform

Chemscience will automatically receive your responses. You do not need to send them any
email directly. You will be contacted for the order coordination by phone or email you
provided.

• Digital balance, with ≤ 1 mg precision
• Safety goggles
• Spatula
• Utility clamp
• Wash bottle
• Graduated cylinder, 25 mL
• Burette, glass, 25 mL
• 6× Pipet, Beral, plastic, disposable
• 4× Beaker, 100 mL, plastic
• Beaker, 150 mL, plastic
• Beaker, 250 mL, plastic
• Erlenmeyer flask, 125 mL, glass
• 2× Weighing dishes
• Small magnet
• 4× Sample vials with caps, 20 mL, plastic
• Stirring rod, plastic

, LIST OF CHEMICALS & ITEMS REQUIRED

In order to complete the experiments, there are certain common household items which you
will need. If you are missing any at home, please ensure you purchase them ahead of time
before you plan to perform your experiments. All of reagents can be easily purchased from a
pharmacy or a large supermarket.

EXPERIMENT 1 QUANTITY REQUIRED

 70% or 99% isopropyl alcohol or rubbing 20 mL
alcohol; hand sanitizers contains gels and
thus cannot be used as a substitute

EXPERIMENT 2

 Metal paper clips or staples Several clips or 1 g
 Rice or beans 1g
 Table salt 1g
 Plastic container, shredded pieces, Several cm2 piece or 1 g
polypropylene (#5), such as yogurt,
cream cheese or sour cream containers


EXPERIMENT 3

 Vitamin C tablet(s) 1 tablet of 500 mg
 Citrus fruit (orange or lemon) 1 fruit
 Tincture of iodine (DVL Brand, 7%) 50 mL
 Cornstarch or flour (not the best) 0.2 g or 1/8 teaspoon


EXPERIMENT 4
 Tums tablet or Eggshell 1 tablet of Tums Ultra Strength (1000
mg)
or
1 g (crushed, washed and dried
eggshell from half an egg)
 For optimal results, vinegar for washing (10% 35 mL of washing vinegar or of
acetic acid); otherwise, regular cooking cooking vinegar
vinegar (5% acetic acid) should also work
 sugar (sucrose) 1.0 g
 table salt (sodium chloride) 1.0 g
 baking soda (sodium bicarbonate) 1.0 g
(not baking powder)

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