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SweetCandy23228
@SweetCandy23228
August 2022
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Дополните схемы реакций и подберите коэффициенты:
1)MgO + .....= Mg(NO3)2 + ....
2)Al2O3 + .... = Al2(SO4)3 + ....
3).... + HBr = NaBr = ....
Составьте уравнения реакций за схемой химических преобразований:
Mg→MgSO4→Mg(OH)2→Mg(NO3)2
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НКВД45ЦККПСС
1)MgO + 2HNO3 = Mg(NO3)2 + H2O
2)Al2O3+3H2SO4=Al2(SO4)3+3H2О
3)Na+HBr=NaBr
Mg + H2SO4 = MgSO4 + H2
MgSO4 + 2NaOH = Mg(OH)2 + Na2SO4
Mg(OH)2 + 2HNO3 = Mg(NO3)2 + 2H2O
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Answers & Comments
2)Al2O3+3H2SO4=Al2(SO4)3+3H2О
3)Na+HBr=NaBr
Mg + H2SO4 = MgSO4 + H2
MgSO4 + 2NaOH = Mg(OH)2 + Na2SO4
Mg(OH)2 + 2HNO3 = Mg(NO3)2 + 2H2O