Автор - araika0898

Na -->NaOH-->Na2CO3-->NaCi-->Na

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Проверено экспертом

Автор - DJToxa
3Na+Al(OH)3=3NaOH+Al
2NaOH+Mg2CO3=Na2CO3+Mg(OH)2
Na2CO3+2HCl=2NaCl=H2O+CO2
2NaCl+Ca=2Na+CaCl2

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