3 Zn(OH)2 (s) + 2 H3PO4 (aq) Zn3(PO4)2 (s) + 6 H2O (l)

This is an acid-base reaction (neutralization): Zn(OH)2 is a base, H3PO4 is an acid.

Reactants:

  • Zn(OH)2
    • Names: Zinc hydroxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, Zinc(II) hydroxide source: wikidata, accessed: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed: 2019-09-28
  • H3PO4
    • Names: Phosphoric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Orthophosphoric acid source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Phosphoric(V) acid source: wikidata, accessed: 2019-09-02
    • Appearance: Hygroscopic colourless crystals source: ICSC, accessed: 2019-09-04; Thick, colorless, odorless, crystalline solid. [Note: Often used in an aqueous solution.] source: NIOSH NPG, accessed: 2019-09-02

Products:

  • Zn3(PO4)2Zinc phosphate source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02
    • Other names: Zinc(II) phosphate source: wikidata, accessed: 2019-09-02
    • Appearance: White solid source: wikipedia, accessed: 2019-09-28
  • H2OWater, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27