а) 2 SO2 + O2 = 2 SO3;
б) 2 Al + 3 Н2SO4 = Al2(SO4)3 + H2;
в) НCl + AgNO3 = AgCl + HNO3.
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а) 2 SO2 + O2 = 2 SO3;
б) 2 Al + 3 Н2SO4 = Al2(SO4)3 + H2;
в) НCl + AgNO3 = AgCl + HNO3.