Ответы и объяснения

2013-01-24T16:43:30+00:00

S+O2->SO2

2SO2+O2->2SO3

SO3+H2O->H2SO4

2H2SO4+Ag->SO2+AgSO4+2H2O

SO2+2H2S->2H2O+3S

S+Cu->CuS

CuS+

5H2SO4+8Na->4Na2SO4+H2S+4H2O