Density is the amount of mass in a give volume. It's a derived unit of measure. It equal to mass divided by volume. Then it measured in units such as grams per cubic centimeter and grams per milliliter. Density is the ration of mass to volume. Density is a physical property of an object. Mass is the amount of matter in an object. Volume is the amount of space an objects takes up.
Density formula:
↓↓↓↓↓↓↓↓
Volume formula:
↓↓↓↓↓↓↓↓↓
Mass formula:
↓↓↓↓↓↓↓↓↓↓↓
Hope this helps!
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The liquids hexane
and water are placed in a test tube. The test tube is stoppered, shaken, and
placed in a test tube rack. The liquids separate into two distinct
layers because hexane and water have different molecular polarities. The answer
is number 2.