Iron Yellow: FeSO4 (aq) + K2C2O4 (aq) The product is also known as the mineralHumboldtine. Names: and Colors: and Species Initially Present:Evidence of Reaction: Name and Balanced Net Ionic Equation for Precipitation:

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Chemistry

27 February, 10:36

Iron Yellow: FeSO4 (aq) + K2C2O4 (aq) The product is also known as the mineralHumboldtine. Names: and Colors: and Species Initially Present:Evidence of Reaction: Name and Balanced Net Ionic Equation for Precipitation:

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Finnegan Porter · Answer 1

FeSO₄ + 2K₂C₂O₄ → K₂[Fe (C₂O₄) ₂] + K₂SO₄

Iron (II) sulfide react with potassium oxalate to produce potassium dioxalatoferrate (II) and potassium sulfate.

The mineral Humboldtine has the formula Fe²⁺ (C₂O₄). 2H₂O

The color of the mineral is yellow to amber yellow.

It is a rare authigenic organic mineral occuring on fracture surfaces in coal deposits and rarely in granitic pegmatites and hydrothermal mineral deposits.