Ответ:
1. 2HCl + Na2SO3 = 2NaCl + SO2↑ + H2O
MgO+2HCl=2MgCl+H2O
2. Al, ZnO, Ca(OH)2, BaCl2, Na2SO4
3. 3H2SO4+2Al=Al2(SO4)3+3H2
H2SO4+ZnO=ZnSO4+H2O
Ca(OH)2 +H2SO4=CaSO4+2H2O
BaCl2 + H2SO4 = BaSO4 + 2HCl
Na2SO2+H2SO4 = 2NaHSO4
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Answers & Comments
Ответ:
1. 2HCl + Na2SO3 = 2NaCl + SO2↑ + H2O
MgO+2HCl=2MgCl+H2O
2. Al, ZnO, Ca(OH)2, BaCl2, Na2SO4
3. 3H2SO4+2Al=Al2(SO4)3+3H2
H2SO4+ZnO=ZnSO4+H2O
Ca(OH)2 +H2SO4=CaSO4+2H2O
BaCl2 + H2SO4 = BaSO4 + 2HCl
Na2SO2+H2SO4 = 2NaHSO4