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Platinum15
@Platinum15
August 2022
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В базе ФИПИ дана вот такая цепочка:
ZnO +Х → ZnCl2 +У → Na2[Zn(OH)4] веществами Х и Y являются:
1) Х – Cl2; Y – NaHS
3) X – HClO; Y– NaHSO4
2) X – KCl; Y – NaHCO3
4) X – HCl; Y – NaOH
Здесь же нет правильного варианта??!
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хихимик
Verified answer
ZnO +2HCl → ZnCl2 +H2O
ZnCl2 + 4NaOH→ Na2[Zn(OH)4] +2NaCl
4) X – HCl; Y – NaOH
3 votes
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Answers & Comments
Verified answer
ZnO +2HCl → ZnCl2 +H2OZnCl2 + 4NaOH→ Na2[Zn(OH)4] +2NaCl
4) X – HCl; Y – NaOH