Wind becuase you can feel it whhich is physical
Answer = 43.2
Because to find the mass you multiply the amount of moles ( 1.6) by the mass of the element ( mass of aluminium is 27) so
1.6 x 27 = 43.2g
Hope this helps
Just pay attention in school big bones, stop asking people because if they mislead you that will not be good for you're college education.
0.7 my teacher just gave me the answer i got too lazy to explain why