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Potassium sulfate K2SO4 is a salt used as a fertiliser. Zinc phospate Zn3(PO4)2 is also a salt used as coating to prevent metal corrosion. Generraly speaking when you mix two salts toghether in aqueous solution they undergo a double replacement chemical reaction, this means that the both ionic metals formed in the solution exchange the ionic nonmetal parts. That is
3*K2SO4 + Zn3(PO4)2 = 2*K3(PO4) + 3*ZnSO4
When aqueous solutions of potassium sulfate and zinc phosphate are mixed a chemical reaction occurs to produce two aqueous products - zinc sulphate and potassium phosphate. The balanced equation for the given chemical reaction is:
`3K_2SO_4 + Zn_3(PO_4)_2 ---gt 3ZnSO_4 + 2K_3PO_4`
It is a double displacement reaction where the reactants changes into ions when dissolved in water and there is an exchange of ions in solution. This results in the formation of product molecule. Here, the `K^+` ion of potassium sulfate is exchanged with the `Zn^(2+)` ion of zinc phosphate in this reaction.
`3K_2SO_4 + Zn_3(PO_4)_2 -> 2 K_3PO_4 + 3ZnSO_4`
This is the balanced equation of the chemical reaction. A double replacement occurs because both of the reactants are ionic salts. No precipitates are formed because any compound with an alkali metal is soluble and any compound with SO4 is also soluble (unless with alkaline metals).
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