Ferrous sulfate is just one of many forms of the metal element iron. In its natural state, the solid mineral resembles small crystals. The crystals are typically a shade of yellow, brown ...

Add between 1.30 g and 1.50 g of hydrated iron(II) sulfate crystals, FeSO 4 ·xH 2 O. Reweigh the evaporating basin, and record the new mass in the results table. Place the evaporating basin ...

For example, iron (a metal) reacts with copper sulfate (a salt containing copper). In a displacement reaction, a less reactive metal is displaced from its compound by a more reactive metal.

Sulfate discussion: Wild rice and iron mining can coexist in Minnesota. A reasonable, science-based sulfate standard is the key. By Chris Masciantonio and John Rebrovich. March 19, 2014 at 11:16PM.