EBK EXPLORING CHEMICAL ANALYSIS
5th Edition
ISBN: 9781319416942
Author: Harris
Publisher: VST
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Question
Chapter 2, Problem 2.1P
Interpretation Introduction
Interpretation:
The purpose of the internal calibration mass at the upper left in the electronic balance has to be explained.
Expert Solution & Answer
Explanation of Solution
- The force of gravity differs from place to place and at different elevations above Earth's surface.
- For the compensation of unknown local gravitational force, an internal calibration mass at the upper left is required.
- In the automatic calibration step, the balance measures how much current is required to balance the known mass.
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