Ответ:
12.
a) SO3+Mg(OH)2=MgSO4+H2O
б) BaCl2+H2SO4=BaSO4+2HCl
в) 2Fe(OH)3=t°C Fe2O3+3H2O
г)Na2O+H2O=2NaOH
13.
2S+3O2=2SO3
SO3+K2O=K2SO4
SO3+HwO=H2SO4
H2SO4+Ca(NO3)2=CaSO4+2HNO3
3CaSO4+2FeCl3=3CaCl2+Fe2(SO4)3
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Answers & Comments
Ответ:
12.
a) SO3+Mg(OH)2=MgSO4+H2O
б) BaCl2+H2SO4=BaSO4+2HCl
в) 2Fe(OH)3=t°C Fe2O3+3H2O
г)Na2O+H2O=2NaOH
13.
2S+3O2=2SO3
SO3+K2O=K2SO4
SO3+HwO=H2SO4
H2SO4+Ca(NO3)2=CaSO4+2HNO3
3CaSO4+2FeCl3=3CaCl2+Fe2(SO4)3