Предмет: Химия, автор: DvOeShN1k

a) NaOH FeS = Fe(OH)2 + Na2S
b) Ca + CuCl2 = CaCl2 + Cu
c) Na2O + H2O = NaOH
d) HNO3 = H2O + NO2 + O2 помогите пж!!

Ответы

Автор ответа: Alexei78

Ответ:

A) 2NaOH + FeS --> Fe(OH)2 + Na2S

b) Ca + CuCl2 --> CaCl2 + Cu

c) Na2O + H2O -->2NaOH

d) 4HNO3-- t-->2H2O + 4NO2 + O2

Объяснение:

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