How can you prove that iron (2) sulfate contains iron ions Fe2 +? Write the equation of a chemical reaction

univerkov | November 22, 2020 | education

To show the presence of Fe2 + ions, add alkali to FeS.
Fe2SО4 + 2NaOH = Fe (OH) 2 + Na2SО4 (green precipitation is an indicator of the presence of iron (II) hydroxide, respectively, and Fe2 + ions).

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