Respostas

2013-08-14T22:48:52-03:00
H2S = 2.1 + 32 = 2 + 32 = 34
SO2 = 32 + 2+16 = 32 +32 =64

34g H2S ------------- 64g SO2
170g-------------------- x


x =  \frac{170.64}{34} = 320g   de SO2


 n=\frac{m}{M} =  \frac{320}{64} = 5 mols

B
5 5 5