L
luongphuoctu


o_2 -> cl-2
cl_2-> kclo_3 -> kcl -> cl-2 -> ca(clo)-2 -> cacl-2 -> cl-2 -> o-2.
giai giup minh nha .thanks.
cl_2-> kclo_3 -> kcl -> cl-2 -> ca(clo)-2 -> cacl-2 -> cl-2 -> o-2.
giai giup minh nha .thanks.