Answer:Hope this helps :D
Explanation:
Cu = 27, S = 16 and O = 25.92
relative formula mass = 27 + 16 + (5.4x4.8) = 286.216
only one aluminum atom of relative atomic mass
64 % Cu = 100 x 64 / 160
x = 1036.8
Answer:
12 may be the answer also there is a possibility od 15 but more likeltly its going to be 12
Answer:
Explanation:
D)The system is open, and the net external force is nonzero.
What am I supposed to do with these numbers?