Jawabanmu

2014-08-25T19:34:44+07:00
Π V = n R T

1,23 x 1 = n 0,082 x (27+273)
n = 1.23/2.46
n = 0,5

n = gr/mr
0,5 = 4 / mr
mr = 4 / 0,5
mr = 8