Ag2SO4, BaSO4, AL2(SO4)3, KHSO4, Ba(HSO4)2, LiHSO4
C→CO₂→BaCO₃→Ba(NO₃)₂→<span>BaSO</span>₄<span>
</span>C + O₂=CO<span>₂
</span>CO₂ + Ba(OH)₂=BaCO₃↓ +H₂O
BaCO₃+ 2HNO₃=Ba(NO₃)<span>₂+ CO</span>₂↑ + H₂O
<span>
</span>Ba(NO₃)₂ + H₂SO₄= <span>BaSO</span>₄↓<span> + 2HNO</span>₃
m(H2SO4)=3*1000*98=294000г=294кг
n(O2)=4n(HaSO4)=4*3*1000=12000моль
N(O2)=12000*6.02*10^23 (Степень)=7.224*10^27(Степень)