Mercury has a density of 13.6 g/mL. If I want to gather 175 g of the metal, what volume of mercury would I need?
We want to find a volume, so:
Note that this calculation is dimensionally consistent. We want a volume, and
Mercury metal is seldom seen in A level or undergraduate laboratories anymore. It is fairly poisonous, but still absolutely fascinating. You can float metal coins on it! Of course, if you have a spill, it is big clean up job becasue the metal occupies every nook and crack.