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Lenussik
@Lenussik
July 2022
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восстановите левую и правую часть уравнений:
1).... --> MnBr2 + Br2+2H2O
2)....--> 2CaCO3↓ + 2H2O
3)....→ 4Fe(OH)3↓ + 4Na2SO4
4) CuS + 4H2O2 →………
5) 6HNO3 + P2O5→……
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Ladyyy
Verified answer
1.MnO2 + 4 HBr → MnBr2 + Br2 + 2 H2O
2.Ca(HCO3)2 + Ca(OH)2 → 2CaCO3↓ + 2H2O
3.4FeSO4 +8 NaOH + O2 +2 H2O → 4Fe(OH)3↓ + 4Na2SO4
4.CuS + 4H2O2 →CuSO4 + 4H2O.
5.
6HNO3 + P2O5→
2H3PO4+3N2O5
10 votes
Thanks 25
Lenussik
спасибо огромное!
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Answers & Comments
Verified answer
1.MnO2 + 4 HBr → MnBr2 + Br2 + 2 H2O2.Ca(HCO3)2 + Ca(OH)2 → 2CaCO3↓ + 2H2O
3.4FeSO4 +8 NaOH + O2 +2 H2O → 4Fe(OH)3↓ + 4Na2SO4
4.CuS + 4H2O2 →CuSO4 + 4H2O.
5. 6HNO3 + P2O5→2H3PO4+3N2O5