2 HBr(g) + Cl2(g) 2 HCl(g) + Br2(g)
2 SO2(g) + O2(g) 2 SO3(g)
Mon, 2013-02-25 13:48
come on this is really simple , did you try to understand it using your book, ok read our tutorial based on this, and then ask again if i case you are stuck
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