Meniscus

Why is a rubber safety bulb always used when working with a pipet? Why are the calibration marks on laboratory beakers taken only to be an approximate guide to volume?

ACTIVITY OF WET LABS MEASURING THE MASS & VOLUME OF OBJECTS AND SUBSTANCES Pre-Laboratory Questions What is a meniscus? Sketch a 10 mL graduated cylinder filled to a volume of 5.24 Ml. How do we typically read the liquid level when dealing with a liquid that forms a meniscus? Describe how to read a volume […]

Describe how to use the “difference method” when performing mass determinations. Why are masses in the chemistry laboratory usually determined by the difference method?

ACTIVITY OF WET LABS MEASURING THE MASS & VOLUME OF OBJECTS AND SUBSTANCES A. The mass of the solid object Choose a Solid Object whose mass you will measure and describe the Solid Object in the appropriate location on the Data sheet. Choose a container to use for determining the mass of the Solid Object; […]

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