Explanation:
The easiest way to find the mass of anything is to weigh it. You're actually measuring the force of gravity on the object, and technically, you should divide the weight by the acceleration due to gravity to get the mass.
For most applications, though, weight and mass are essentially equivalent. Now suppose you don't have a scale. you can still find the mass of a particular liquid..
If you know what the liquid is, you can find its mass by measuring its volume and looking up its density. If you don't know what the liquid is, you can find its density by measuring its specific gravity with a hydrometer.
