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Ответ

Ответ дан
lml88

2Ba+O2=2BaO

BaO+H2O=Ba(OH)2

Ba(OH)2+2HCl=BaCl2+2H2O

S+O2=SO2

SO2+H2O=H2SO3

H2SO3+2NaCl=Na2SO3+2HCl

Ответ

Ответ дан
legenda444

Хорошо учись) удачи <3

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