Jawabanmu

2014-02-07T13:35:13+07:00
Jawabannya : D.

Dit : Gr?
Jawab : 
n = Σp/L = 3.01 x 10²³ / 6.02 x 10²³ = 0.5

Gr = n. Mr = 0.5 x 18 = 9
5 3 5