When measuring a liquid using a mechanical balance, why is performing the tare step necessary?

Answer

To subtract the container's mass from the combined measurement to isolate the liquid's mass

The tare step involves measuring the mass of the container first, and then subtracting that measured value from the total mass recorded when the liquid and container are combined, thereby isolating only the liquid's mass.

When measuring a liquid using a mechanical balance, why is performing the tare step necessary?
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