Experiment Number: Title of Experiment:
Laboratory One (1): The use of volumetric glassware
Objectives:
• To be able to distinguish between different glassware and determine its respective purpose in the laboratory.
• To differentiate between qualitative and quantitative glassware.
• To illustrate the difference between accuracy and precision for each glassware.
Partners:
Introduction:
This laboratory experiment is set out to educate the student on the different types of glassware found in the laboratory and their function. It is important to know the use of each glassware in the laboratory since not all carries the same function and use of the wrong glassware can lead to an unsuccessful laboratory experiment. In the laboratory some glassware
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Volume of H2O transferred 9.7122 9.7655 9.5984
Average volume 9.6920
% Error -3.08% Mass of empty Erlenmeyer flask: 53.4966g
25-ml measuring cylinder Trial 1 Trail 2 Trial 3
Mass of flask plus 10ml H2O 62.9744g 72.7394g 82.4972g
Mass of H2O transferred 9.4778g 9.765g 9.7578g
Volume of H2O transferred 9.4778 9.765 9.7578
Average volume 9.6669
% Error -3.331% Mass of empty Erlenmeyer flask: 53.5148g
100-ml measuring cylinder Trial 1 Trail 2 Trial 3
Mass of flask plus 10ml H2O 61.8631g 70.6308g 79.0389g
Mass of H2O transferred 8.3483g 8.7677g 8.4081g
Volume of H2O transferred 8.3483 8.7677 8.4081
Average volume 8.5080
% Error -14.92% Mass of empty Erlenmeyer flask: 53.5975g
Graduated pipet Trial 1 Trail 2 Trial 3
Mass of flask plus 10ml H2O 63.6160g 73.6981g 83.6618g
Mass of H2O transferred 10.0185g 10.0821g 9.9637g
Volume of H2O transferred 10.0185 10.0821 9.9637
Average volume 10.0214
% Error
to get an idea of how I would do my real experiment and what apparatus
the food sample on fire, once it catches, immediately place the small chamber on top with the rod,
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3. Why are the crucible and lid heated at the beginning of the experiment before being weighed?
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The Whole Winglfiled family has a problem distinguishing the difference what is real and what is not. At the end of the play only one character is able to escape the fireplace Tom he was so tired of her mother nagging and having all responsibility and was what he and did
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When handling glassware examine for shatters before use and never touch shattered glass with bear hands.