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:
According to the U.S. Department of Education, most American colleges and universities award college credit by the semester hour. In order to receive an associate degree, you must earn at least 60 credits, which typically can be fulfilled by completing 20 three-credit courses.
Well there are 18 trucks in the parking lot. So there are 12 cars