Diketahui Mr dari (XH4)2 SO4 = 132 jika Ar H = 1, O = 16, S = 32, hitunglah ArX!
Jawaban:
Ar X= 14
Penjelasan:
Mr= 2 x Ar X + 2 X 4 X Ar H + Ar S + 4 x Ar O
132= 2 x Ar X + 8 x 1 + 32 + 4 x 16
132= 2 x Ar X + 8 + 32 + 64
132= 2 x Ar X + 104
132 - 104= 2 x Ar X
28= 2 x Ar X
Ar X= 14