Question

Tolong bantu ya buat pr besok

Answer 1

2 L2S + 3 O2 -> 2 L2O + 2 SO2

mol O2 = 4,8:32 = 0,15

mol L2O = 2/3 x 0,15 = 0,1

mol L2O = gr / Mr

0,1 = 18,6 / Mr

Mr = 186

Mr = 2 X Ar L + Ar O

186 = 2 x Ar L + 16

170 = 2 Ar L

Ar L = 85