Pipetting And Lab Math Quiz Form
Complete this quiz to test your knowledge of pipetting techniques and laboratory math. Please answer all questions carefully.
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Quiz Date
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Which pipette would you use to measure 150 μL?
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P20
P200
P1000
P10
A solution is prepared by adding 2.5 mL of stock solution to 47.5 mL of buffer. What is the final volume?
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50 mL
45 mL
2.5 mL
47.5 mL
What is the concentration (in mg/mL) if you dissolve 100 mg of compound in 10 mL of solvent?
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10 mg/mL
1 mg/mL
0.1 mg/mL
100 mg/mL
A pipette has an accuracy of ±1%. What is the expected range when pipetting 500 μL?
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495–505 μL
500–510 μL
450–550 μL
498–502 μL
Describe a best practice for avoiding contamination when pipetting.
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Calculate the volume (in μL) needed to obtain 25 nmol from a 100 μM stock solution.
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