Quote Originally Posted by Goodman3eb
2. The volume of your solution would change when you mixed the solvent and the solute. Since giving the volume and molarity of the finished solution would cause the reader to have to crunch the numbers in reverse to figure out the ingredients, it's easier just to say how much solvent and solute to mix, and allow the solution to be whatever molarity and volume it will.

3. I don't see any incorrect reference to ethanol... what gives?
to answer 2. i would never trust a instuctions of that kind of complication when it was talking about mixing chemicals it sounds as if it sounds fake from the start.

and 3.
Quote Originally Posted by God v2.0
10 mL Et2O i think its ethanol