You might be referring to the adsorption of arsenates, As(V), to iron (III) hydroxide at low pH.
When iron (III) nitrate reacts with sodium hydroxide, it forms iron (III) hydroxide and sodium nitrate. The balanced chemical equation for this reaction is: Fe(NO3)3 + 3NaOH → Fe(OH)3 + 3NaNO3. Iron (III) hydroxide is a brown solid that forms as a precipitate in this reaction.
Iron Chloride + Sodium Hydroxide ------> Iron Hydroxide + Sodium Chloride Balanced reaction equations: FeCl3 + 3NaOH ------> Fe(OH)3 + 3NaCl or FeCl2 + 2NaOH ------> Fe(OH)2 + 2NaCl because iron can be either Iron(III)[Fe3+] or Iron(II)[Fe2+]
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The reaction between iron(III) hydroxide (Fe(OH)3) and phosphoric acid (H3PO4) will result in the formation of iron(III) phosphate (FePO4) and water (H2O). The balanced chemical equation for this reaction is: Fe(OH)3 + 3H3PO4 → FePO4 + 3H2O
Fe-Iron OH-hydroxide ironic hydroide
When iron (III) nitrate reacts with sodium hydroxide, it forms iron (III) hydroxide and sodium nitrate. The balanced chemical equation for this reaction is: Fe(NO3)3 + 3NaOH → Fe(OH)3 + 3NaNO3. Iron (III) hydroxide is a brown solid that forms as a precipitate in this reaction.
The products of the reaction between sodium hydroxide and iron(III) sulfate are iron(III) hydroxide and sodium sulfate. This reaction forms a precipitate of iron(III) hydroxide while sodium sulfate remains in solution.
It is Iron III hydroxide (thats the brick red precipitate). It forms as well sodium chloride which is soluble in the water of the reaction and therefore you do not see.
The reaction between iron (III) chloride and sodium hydroxide is a chemical change as new substances are formed. Iron (III) hydroxide and sodium chloride are produced as a result of the reaction.
iron chloride + sodium hydroxide = sodium chloride +iron hydroxide
Iron Chloride + Sodium Hydroxide ------> Iron Hydroxide + Sodium Chloride Balanced reaction equations: FeCl3 + 3NaOH ------> Fe(OH)3 + 3NaCl or FeCl2 + 2NaOH ------> Fe(OH)2 + 2NaCl because iron can be either Iron(III)[Fe3+] or Iron(II)[Fe2+]
When iron oxide is added to sodium hydroxide solution, a reaction occurs to form iron(III) hydroxide and water. The iron(III) hydroxide will appear as a brownish precipitate in the solution, while water remains as a liquid.
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When NaOH (sodium hydroxide) and FeCl3 (iron(III) chloride) are mixed, a reaction occurs that forms iron(III) hydroxide. This iron(III) hydroxide is insoluble in water, leading to the formation of a brown precipitate in the solution.
When ammonium hydroxide is added to iron (III) chloride, a brown precipitate of iron (III) hydroxide is formed. This brown color is characteristic of iron (III) hydroxide.
When you mix iron(III) nitrate with sodium hydroxide, it forms a precipitate of iron(III) hydroxide and sodium nitrate in the solution. Iron(III) hydroxide is a brownish solid that can be formed as a precipitate in this reaction.
The reaction between Fe3+ and NaOH results in the formation of iron(III) hydroxide, Fe(OH)3, and sodium ions. The balanced chemical equation for this reaction is 2 Fe3+ + 6 OH- → 2 Fe(OH)3. This precipitation reaction forms a brownish precipitate of iron(III) hydroxide.