Bạn tham khảo!
$\text{1.S+O2$\xrightarrow{t^o}$SO2}$
$\text{2.2SO2+O2$\xrightarrow[V2O5]{t^o}$2SO3}$
$\text{3.SO3+H2O$\rightarrow$H2SO4}$
$\text{4.H2SO4+BaO$\rightarrow$BaSO4+H2O}$
$\rightarrow$ $\text{Oxit Axit+Nước$\rightarrow$Axit}$
$\rightarrow$ $\text{Axit+OB$\rightarrow$Muối+H2O}$
#TRANPHAMGIABAO
