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Natashaegorova10
@Natashaegorova10
October 2021
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Осуществить цепочки превращений
1)Na2CO3 → NaCl → Na → NaI → NaNO3 → Na2CrO4
2)Na → NaOH → Na → NaI → NaBr → NaCl
3)K → KOH → K2CO3 → KCl → KNO3 → KNO2 → →KNO3 → KNO2 → K2SO4
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valeria133
2) 1. 2Na+2H2O=2NaOH+H2
2. NaOH=Na+H2O+O2( не уверена)
3. 2Na+I2=2NaI
4. NaI+Br2=2NaBr+ I2
5. 2NaBr+Cl2=2NaCl+Br2
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Answers & Comments
2. NaOH=Na+H2O+O2( не уверена)
3. 2Na+I2=2NaI
4. NaI+Br2=2NaBr+ I2
5. 2NaBr+Cl2=2NaCl+Br2