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Автор - SaekoMe

Помощь нужна оч срооочно!! Пожаалуйста люди добрые​

Ответ

Автор - AlamWake
1. 2NaOH+MgCl2-> 2NaCl+Mg(OH)2
2. MgCl2+H2SO4->MgSO4+2HCl
3.K2CO3+MgCl2->2KCl+MgCO3(стрелочка вниз)
4.K2CO3+2NaOH->2KОН+Na2CO3
5.K2CO3+H2SO4->K2SO4+H2O+CO2 (стрелочка вверх)

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