Jawabanmu

2014-07-07T14:48:13+07:00
A) n = N/Na
4 = N/6,02 × 10²³
4 .
6,02 × 10²³ = N
24,08 . 10²³ = N
2,408 . 10²⁴ = N

b) n = N/Na
0,5 = N /
6,02 × 10²³
0,5 .
6,02 × 10²³ = N
3,01 . 10²³ = N

:)