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руссиш1
@руссиш1
August 2022
1
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ПРОШУ ПОМОЧЬ
Даны:Na, Ba(OH)2, Na2CO3, Fe, HCl, CuCl2, H2O
Получить: 1) 2 способа-NaOH
2) 2 способа-BaCl2
3) CO2
4) 2 способа-FeCl2
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Answers & Comments
innysik51511
1.
2 Na + 2 H2O = H2 + 2 NaOH
Na2CO3 + H2O = CO2 + 2 NaOH
2.
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Ba(OH)2 + CuCl2 = BaCl2 + Cu(OH)
2
3.
Na2CO3 = CO2 + Na2O
Na2CO3 + H2O = CO2 + 2 NaOH
4.
Fe + 2 HCl = FeCl2 + H
2
Fe + CuCl2 = FeCl2 + Cu
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руссиш1
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Answers & Comments
Na2CO3 + H2O = CO2 + 2 NaOH
2. Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
Ba(OH)2 + CuCl2 = BaCl2 + Cu(OH)2
3. Na2CO3 = CO2 + Na2O
Na2CO3 + H2O = CO2 + 2 NaOH
4. Fe + 2 HCl = FeCl2 + H2
Fe + CuCl2 = FeCl2 + Cu