Answer:
highly concentrated solution of acid
Answer: Aluminum is in group IIIA of the periodic table therefore it has three valence electrons. The symbol for aluminum is Al which will be surrounded by three dots. 2.
Explanation:
The more finely divided the solid is, the faster the reaction happens. A powdered solid increases the rate of the reaction than the same mass present as a single lump. The powdered solid has greater surface are than the single lump.
Well glass and water or more heavy then air
It is 3 moles. Don't doubt urself