Calibration marks

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 […]

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