Question

Urgent
Al + (NH4)2S ➡️
Cr + (NH4)2S➡️
Mn + (NH4)2S➡️
Fe + (NH4)2S➡️
Co + (NH4)2S➡️
Ni + (NH4)2S➡️
Zn + (NH4)2S➡️

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Answer 1

Răspuns:

1. 2Al + 3(NH4)2S → Al2S3 + 6NH4

2. 3(NH4)2S + 2Cr → Cr2S3 + 3(NH4)2

3. Mn + (NH4)2S → MnS + 2NH4

4. Fe + (NH4)2S → FeS + 2NH4

5. 2Co + 3(NH4)2S → Co2S3 + 6NH4

6. (NH4)2S + Ni → 2NH4 + NiS

7. Zn + (NH4)2S → ZnS + 2NH3 + H2