The mass of zinc phosphate that is dissolved in 125 ml of a saturated solution is 1.89× 10⁻⁴ g.
The capacity of a material, the solute, to combine with another substance, the solvent, is known as solubility in chemistry. Insolubility, or the solute's inability to create such a solution, is the opposite attribute.
[tex]K_{sp} = [A^+]^a [B^-]^b[/tex]
A solution is created when a solute is dissolved in a solvent to produce a homogenous combination. The quantity of solute in one litre of a saturated solution, or solubility, is often represented in grammes. For instance, solubility in water at 25 oC may be given as 12 g/L.
The molar mass of zinc carbonate is 125.38 g/mol.
1.21 * 10⁻⁵ * 125.38 = 0.00151g of ZnCO₃
So in 125 ml solution mass of zinc carbonate dissolved is
1.51 * 10⁻³/1000 * 125 = 1.89 * 10⁻⁴g
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