Images SO3 H2S04

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So3 h2s04. Kbro3 hbr. Hbr+kbro3 ОВР. 2hbr+h2so4=br2+so2+2h2o. H2so4 KBR so2 br2 khso4 h2o ОВР.
Kbro3 hbr. Hbr+kbro3 ОВР. 2hbr+h2so4=br2+so2+2h2o. H2so4 KBR so2 br2 khso4 h2o ОВР.

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