Answer:
Hot chocolate is as straightforward as drinks go: at its core, it's milk, cocoa powder, and sugar. Despite its simplicity, this cold-weather classic is swirling with science. The backbone of any decent hot chocolate is milk. Beyond water, milk is perhaps the most basic and familiar substance to humans.
Coal=fire and in the artic its hard to build a fire
Use M x V = M' x V'
0.300 x V = 0.100 x 250
V = .......... ml
And a water molecule, this is called a dehydration synthesis. when 2 molecule combine, a water molecule leave.
