Ответ:
1) 1. 2Zn+O2=2ZnO
2. ZnO+2HCl=ZnCl2+H2O
3. ZnO+2NaOH(тв)=Na2ZnO2+H2O
4. ZnO+2NaOH(р-р)+H2O=Na2[Zn(OH)4]
2) 1. 4Al+3O2=2Al2O3
2. Al2O3+6HCl=2AlCl3+3H2O
3. Al2O3+2NaOH(тв)=2NaAlO2+H2O
4. Al2O3+2NaOH(р-р)+3H2O=2Na[Al(OH)4]
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Answers & Comments
Ответ:
1) 1. 2Zn+O2=2ZnO
2. ZnO+2HCl=ZnCl2+H2O
3. ZnO+2NaOH(тв)=Na2ZnO2+H2O
4. ZnO+2NaOH(р-р)+H2O=Na2[Zn(OH)4]
2) 1. 4Al+3O2=2Al2O3
2. Al2O3+6HCl=2AlCl3+3H2O
3. Al2O3+2NaOH(тв)=2NaAlO2+H2O
4. Al2O3+2NaOH(р-р)+3H2O=2Na[Al(OH)4]