Respostas

2016-03-26T19:35:39-03:00
1 mol ( S) ------------- 6,02.10²³ átomos
16 mol (S) ------------ x átomos

x = 16 . ( 6,02.10²³ ) / 1

x = 9,63.10²⁴ átomos de S
4 4 4