Multiple Choice
Which of the following is NOT a recommended guideline for properly storing chemicals in a laboratory?
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4. BONUS: Lab Techniques and Procedures
Laboratory Materials
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Which piece of laboratory equipment is used to measure the mass of a chemical sample?
A
Graduated cylinder
B
Analytical balance
C
Erlenmeyer flask
D
Buret
Verified step by step guidance1
Understand the purpose of the question: it asks which laboratory equipment is used to measure the mass of a chemical sample.
Recall the function of each piece of equipment: a graduated cylinder measures volume, an Erlenmeyer flask is used for mixing or holding liquids, a buret is used for dispensing precise volumes of liquid, and an analytical balance is designed to measure mass with high precision.
Identify that mass measurement requires a device that can provide accurate weight readings, which is the role of the analytical balance.
Confirm that the analytical balance is the only equipment listed that directly measures mass rather than volume or liquid handling.
Conclude that the correct choice for measuring the mass of a chemical sample is the analytical balance.
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