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catwar27
@catwar27
December 2021
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Выполните цепь превращений:
Ва -> Ва(ОН)2 -> Ва(NO3)2
| / |
BaO / BaSO4
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vivivevevivi
1 2
Ba→Ba(OH)2→Ba(NO3)2
↓3 4
BaO→BaSO4
1)Ba+ 2H2O = Ba(OH)2 + H2↑
2)Ba(OH)2 + Fe(NO3)2 = Fe(OH)2↓ + Ba(NO3)2
3)2Ba + O2 = 2BaO
4)BaO + SO3 =BaSO4
2 votes
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Answers & Comments
Ba→Ba(OH)2→Ba(NO3)2
↓3 4
BaO→BaSO4
1)Ba+ 2H2O = Ba(OH)2 + H2↑
2)Ba(OH)2 + Fe(NO3)2 = Fe(OH)2↓ + Ba(NO3)2
3)2Ba + O2 = 2BaO
4)BaO + SO3 =BaSO4