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rodzin666
@rodzin666
April 2023
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Напишите уравнения реакций следующих превращений
FeS2 → SO2 → SO3 → H2SO4 → CaSO4
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Xoroshilova455
1)FeS2 + O2→ SO2 + Fe2O3
2)S + O2 = SO2
3)SO2 + O3 → SO3 + O2↑.
4)SO3 + H2O = H2SO4
5)H2SO4 + CaCl2 = CaSO4↓ + 2HCl .
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Answers & Comments
2)S + O2 = SO2
3)SO2 + O3 → SO3 + O2↑.
4)SO3 + H2O = H2SO4
5)H2SO4 + CaCl2 = CaSO4↓ + 2HCl .