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fuvgkvu
@fuvgkvu
March 2022
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Сложить уравнения реакций, чтобы создать цепь. 1) Na2S ---> H2S ---> SO2 ---> Na2SO3 ---> SO2 ---> SO3; 2) SO3 ---> H2SO4 ---> CuSO4 ---> Cu(OH)2 ---> CuSO4 ---> BaSO4.
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Answers & Comments
innysik51511
1)Na2S + 2HCl → 2NaCl + H2S
H2S + O3 → SO2 + H2O
SO2 + Na2CO3 → Na2SO3 + CO
2
Na2SO3 + 2HCl → 2NaCl + SO2 + H2O
SO2 + O3 → SO3 + O
2
2)
SO3 + H2O → H2SO
4
CuO + H2SO4 → CuSO4 + H2O
Ca(OH)2 + CuSO4 → Cu(OH)2 + CaSO
4
Cu(OH)2 + H2SO4
→
2 H2O + CuSO4
CuSO4 + BaCl2 → BaSO4 + CuCl
2
2 votes
Thanks 1
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Answers & Comments
H2S + O3 → SO2 + H2O
SO2 + Na2CO3 → Na2SO3 + CO2
Na2SO3 + 2HCl → 2NaCl + SO2 + H2O
SO2 + O3 → SO3 + O2
2)SO3 + H2O → H2SO4
CuO + H2SO4 → CuSO4 + H2O
Ca(OH)2 + CuSO4 → Cu(OH)2 + CaSO4
Cu(OH)2 + H2SO4 → 2 H2O + CuSO4
CuSO4 + BaCl2 → BaSO4 + CuCl2