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Hoàn thành cac PTHH sau : S→SO2→SO3→H2SO4→Na2SO4→BaSO4
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Hoàn thành cac PTHH sau :
S→SO2→SO3→H2SO4→Na2SO4→BaSO4

User Gopichand
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S+O_(2) ->SO_(3) \\SO_(2)+O_(2) ->SO_(3) \\SO_(3)+H_(2) O->H_(2) SO_(4)\\H_2SO_4+2NAOH->NA_2SO_4+2H_2O\\NA_2SO_4+BACL_2->BASO_4+2NACL \\

User Lxuechen
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