October 2021 1 7 Report
напишите уравнения реакций , с помощью которых можно осуществить  следующие превращения:
NA2O -> NAOH-> NA2CO3->NANO3
порядок действий : 1)NA20-NAOH
2)NA20-NANO3
3)NAOH-NA2CO3
4)NA2CO3-NANO3))))
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