Chemistry Experiment 1 Pre-Lab Question Answers answer the questions answer the questions 4. (a) Define density (b) Calculate the mass of 10.0 mL of a liqu

Chemistry Experiment 1 Pre-Lab Question Answers answer the questions answer the questions 4.
(a) Define density
(b) Calculate the mass of 10.0 mL of a liquid that has a density of 0.7863 g/mL.
Show your work. Express the correct number of significant figures and the
proper units.
5.
What special safety precautions should you be aware of before beginning this
experiment?
46
Laboratory Techniques
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Experiment #1 Pre-Lab Questions
1.
(a) Write definitions to distinguish between the terms: accuracy and precision
(b) Write definitions to distinguish between systematic and random errors.
(c) How would a large systematic error affect the accuracy and precision for a set of
measurements?
2.
Why should you use a stopper to cover your flask?
3.
State the rules concerning significant figures:
(a) for addition or subtraction.
(b) for multiplication or division
Experiment 1 45

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