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SergeyShtanko
@SergeyShtanko
July 2022
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Напишите уравнения реакций, с помощью которых можно осуществить превращения по схеме
Ba → BaO →Ba(OH)2 → Ba(NO3)2 → BaSO4
Превращение 3 рассмотрите в свете ТЭД.
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olgagalieva201
2Ba + O2 = 2BaO
BaO + H2O=Ba(OH)2
Ba(OH)2+ 2HNO3=Ba(NO3)2+2H2O
Ba2+ + 2OH- + 2H+ + 2NO3- = Ba2+ + 2NO3- + 2H2O
OH- + H+ = H2O
Ba(NO3)2+ Na2SO4=BaSO4+2NaNO3
3 votes
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Answers & Comments
BaO + H2O=Ba(OH)2
Ba(OH)2+ 2HNO3=Ba(NO3)2+2H2O
Ba2+ + 2OH- + 2H+ + 2NO3- = Ba2+ + 2NO3- + 2H2O
OH- + H+ = H2O
Ba(NO3)2+ Na2SO4=BaSO4+2NaNO3