molecule after it has been removed from the water molecule.
The test tube must be cooled before finding its mass because a hot substance has a lower density than a cool substance, therefore, when the formula is used, M=DV, the hotter substance will have a lower mass, and the cool substance will have a higher mass. In addition, a hot test tube could damage the scale, as it is electronic.
The mass of the anhydrous salt must be measured immediately on cooling because the anhydrous salt will want to immediately…
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