S + O2 = SO2 или S + 2H2SO4 = 2H2O + 3SO2 SO2 + O3 → SO3 + O2↑. SO3 + H2O = H2SO4 H2SO4 + BaCl2 = BaSO4↓ + 2HCl
S-SO3=??(нет такого)
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S + O2 = SO2 или S + 2H2SO4 = 2H2O + 3SO2
SO2 + O3 → SO3 + O2↑.
SO3 + H2O = H2SO4
H2SO4 + BaCl2 = BaSO4↓ + 2HCl
S-SO3=??(нет такого)