Предмет: Химия, автор: antonof911

левая часть краткого ионного уравнения реакции Fe(2+) + S(2-) соответствует взаимодействию:
a) FeCO3+H2S
b) FeCl2+Na2S
c) FeCl2+H2S
d) Fe+H2S

Ответы

Автор ответа: igrik1

7

b) FeCl2+Na2S=FeS↓+2NaCl
Fe(+2) + S(-2) = FeS

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