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даны вещества: цинк, сульфат меди(II), гидроксид калия, хлорид серебра - с какими из перечисленных веществ вступит в реакцию хлорид железа(II))? Составить уравнения возможных реакций
Ответы 3
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Спасибо!
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Автор:
vincentwseg - 6 лет назад
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а тем более бы если к примеру AgCl + FeCl2 реакция бы шла тов трезульате всё равно бы тоже самое получилось,поэтому да правильно тчо она не идт
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Автор:
jasmine2psl - 6 лет назад
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Хлорид железа (II) - это FeCl2
Доступные реакции:
FeCl2 + Zn = ZnCl2 + Fe ( см. ряд активности металлов. )
FeCl2 + CuSO4 ≠ реакция не идёт, т.к. нет слабого электролита.
2KOH + FeCl2 = Fe(OH)2 + 2KCl
AgCl +FeCl2 ≠ реакция не идёт, т.к. AgCl нерастворим!
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Автор:
yodaffyz - 6 лет назад
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- Перечислите приспособления растений и животных к условиям тундры.
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Чи є поміж них правильні?
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ПОМОГИТЕ ПОЖАЛУЙСТА!
Найдите площадь фигуры, ограниченной заданными линиями.
y=x^2-x, y=3x
y=x^2, y=x+2
y= 1\3x^2-2x+4, y=10-x
Если есть возможность, то желательно с рисунком.
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