Предмет: Химия, автор: Kristinasavi

сколько грамм осадка образуется при взаимодействии хлорида магния и 56г 10%  раствора гидроксида калия 
  Ar(K)=39  
  Ar(Mg)=24 

Ответы

Автор ответа: pyanzina98
0

MgCl2 + 2KOH = Mg(OH)2 + 2KCl 
гидроксида калия 5,6 г 
112 ---58 
5,6 ---х 
х = 2,9 г

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