Ответ:
Na→Na2O→NaOH→Na2SO4→NaCl→NaNO3
4Na+O2 → 2Na2O
Na2O+H2O → 2NaOH
CuSO4 +2 NaOH → Cu(OH)2 + Na2SO4
Na2SO4 + BaCl2 → 2NaCl + BaSO4 ↓
NaCl + AgNO3 →AgCl↓ + NaNO3
Объяснение:
1. 4Na+ O2= 2Na2O
2. Na2O+ H2O= 2NaOH
3. 2NaOH+ H2SO4= Na2SO4+ 2H2O
4. Na2SO4+ BaCl2= BaSO4+ 2NaCl
5. NaCl+ AgNO3= AgCl+ NANO3
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Ответ:
Na→Na2O→NaOH→Na2SO4→NaCl→NaNO3
4Na+O2 → 2Na2O
Na2O+H2O → 2NaOH
CuSO4 +2 NaOH → Cu(OH)2 + Na2SO4
Na2SO4 + BaCl2 → 2NaCl + BaSO4 ↓
NaCl + AgNO3 →AgCl↓ + NaNO3
Объяснение:
1. 4Na+ O2= 2Na2O
2. Na2O+ H2O= 2NaOH
3. 2NaOH+ H2SO4= Na2SO4+ 2H2O
4. Na2SO4+ BaCl2= BaSO4+ 2NaCl
5. NaCl+ AgNO3= AgCl+ NANO3