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Dima4575
@Dima4575
August 2022
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Нужно сделать только 212 и 242 номера
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Laber
212 номер.
1) S+Zn=ZnS
2) ZnS+H2o= Zno+ H2S
3) H2S+O2= So2+ H2
4) So2+H2O= H2So4
5) H2So4+ 2Nacl= Na2So4+ 2Hcl
6) Na2So4+ 2Hcl= 2Nacl+ H2So4
1 votes
Thanks 1
Laber
Какой ещё номер нужен
Dima4575
242 на 2 картинке
Laber
Только одна картинка тут
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Answers & Comments
1) S+Zn=ZnS
2) ZnS+H2o= Zno+ H2S
3) H2S+O2= So2+ H2
4) So2+H2O= H2So4
5) H2So4+ 2Nacl= Na2So4+ 2Hcl
6) Na2So4+ 2Hcl= 2Nacl+ H2So4