Question

Even if the iron(iii) cation is present in the sample being analyzed, no precipitate of iron(iii) sulfide, fe2s3, will form during the initial precipitation of the group iii cations. However, ifiron(iii) is initially present, iron(ii) sulfide will be formed even if iron(ii) is not initially present. This is because ...

Answer 1

iron (¡¡¡) cation. is present in the sample being anz