FeSO4 iron sulfate.
Iron(II) sulfate or ferrous sulfate denotes a range of salts with the formula FeSO₄·xH₂O. those compounds exist most typically as the heptahydrate but several values for x are known. The hydrated form is used medically to treat iron deficiency, and additionally for business applications.
Ferrous sulfate (or sulfate) is a medicine used to treat and prevent iron deficiency anemia. Iron allows the body to make healthy red blood cells, which deliver oxygen across the body. some matters such as blood loss, pregnancy, or too little iron in your diet could make your iron supply drop too low, leading to anemia
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