How did Democritus figure out that the atom could not be cut (actually he was wrong, but, nonetheless, I still want to know how he got his theory).

The answer is accuracy

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.

Answer246 k;