Предмет: Химия, автор: zdraSte497

Одновременно в растворе могут находиться:


1)H+ и SiO32-

2)Ag+ и Cl-

3)Ba2+ и SO42-

4)Na+ и CO32-


пожалуйста СРОЧНО!!

Ответы

Автор ответа: moskalenkogm
2

  4) Na+ и СO32 растворяются без выпадения осадка

zdraSte497: Не, не фортануло... там 4 был правельный
moskalenkogm: Я без вас уже исправила
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