Question 5

${\text{K}}_{\text{2}}{\text{SO}}_{\text{4}}{\mathrm{ }}_{\text{<mo stretchy="false">(</mo>s<mo stretchy="false">)</mo>}}\stackrel{\text{eau}}{⟶}\mathrm{ }\text{2}\mathrm{ }{\text{K}}^{\text{<mo>+</mo>}}\mathrm{ }\text{<mo>+</mo>}\mathrm{ }{\text{SO}}_{\text{4}}^{\text{2}-}$

${\text{K}}_{\text{2}}{\text{SO}}_{\text{4}}{\mathrm{ }}_{\text{<mo stretchy="false">(</mo>s<mo stretchy="false">)</mo>}}\stackrel{\text{eau}}{⟶}\mathrm{ }\text{2}\mathrm{ }{\text{K}}^{\text{<mo>+</mo>}}\mathrm{ }\text{<mo>+</mo>}\mathrm{ }{\text{SO}}_{\text{4}}^{\text{2}-}$

${\text{K}}_{\text{2}}{\text{SO}}_{\text{4}}{\mathrm{ }}_{\text{<mo stretchy="false">(</mo>s<mo stretchy="false">)</mo>}}\stackrel{\text{eau}}{⟶}\mathrm{ }\text{2}\mathrm{ }{\text{K}}^{\text{<mo>+</mo>}}\mathrm{ }\text{<mo>+</mo>}\mathrm{ }{\text{S}}^{-}\mathrm{ }+\mathrm{ }{\text{O}}_{\text{4}}^{-}$