We are told that there are solid and liquid phases of acetic acid, but the presence of an odor implies that there is a gaseous phase as well. It is likely that some of the acetic acid has vaporized due to its volatility. Therefore, there are 3 phases present in the bottle. The solid and liquid phases can be observed visually (the gas cannot since it is not colored), and the gas is detected because of its odor.
The size of the container.
Think about if you were stirring sugar into your cup of tea - the size of the cup doesn’t matter, but the other stuff does.
A positively charged ion, one that would be attracted to the cathode in electrolysis.
Answer: 15.433704
Use the periodic table to check the atomic mass, this is the number of grams per mole → 1 mole of Aluminum is 26.982 g