2 (NH4)3PO4 + 3 Cu2SO4 → 3 (NH4)2SO4 + 2 Cu3PO4

This is an oxidation-reduction (redox) reaction:

6 CuII + 6 e- → 6 CuI (reduction)

3 SIV - 6 e- → 3 SVI (oxidation)

Cu2SO4 is an oxidizing agent, Cu2SO4 is a reducing agent.

Reactants:

  • (NH4)3PO4 – Ammonium phosphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Triammonium phosphate source: wikipedia, accessed: 2019-09-27, Tribasic ammonium phosphate source: wikidata, accessed: 2019-09-02
    • Appearance: White, tetrahedral crystals source: wikipedia, accessed: 2019-09-27
  • Cu2SO4
    • Names: Copper(I) sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Copper(I) sulphate; Cuprous sulfate; Dicopper sulfate source: wikipedia, accessed: 2019-09-27
    • Appearance: Light Green source: wikipedia, accessed: 2019-09-27

Products:

  • (NH4)2SO4 – Ammonium tetraoxosulfate (VI) source: wikipedia, accessed: 2019-09-27
    • Other names: Ammonium sulphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Ammonium sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Ammonium sulfate (2:1) source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: Fine white hygroscopic granules or crystals. source: wikipedia, accessed: 2019-09-27
  • Cu3PO4