n=g/m therefore g=n*m
G = 102 * (Molar mass of magnesium)
G = 102 * (24.30) --> i'm guessing its just mg and not mg2..?
G = 247.6 Grams of magnesium
Explanation:
the further down the group you go, the larger the radius becomes. its caused by the amount of electrons needed to equal out the charge of the nucleus
If the cup of water contained hot water. Sugar will dissolve a lot slower if it was in room temperature and even slower if it was in cold water.
Answer: D or B but i think D because iron will react slower with tap water than Hydrochloric acid