Jawabanmu

2014-06-12T14:48:08+07:00
Mol = gr/Mr
4 = gr/23
gr = 23 x 4 = 92 gram
2014-06-12T14:51:05+07:00
Rumus : mol : gr/ar
gr : ar *mol
gr : 23 * 4
gr : 92 gr