Write the net ionic equation for the equilibrium that is established when potassium fluoride is dissolved in water.
_________(aq,l,g,s) H2O (l) <—–> ___________(aq,l,g,s) + _____________(aq,l,g,s)
This solution is_________
Potassium fluoride is highly soluble in water therefore, it completely dissociates.
KF(s) ———>K+ aq) + F-(aq)
Fluorine ion reacts with water to for Hydrofluoric acid.
F- (aq) + H2O (l) —>HF(l) + OH-(aq)
Here, K+ ions are spectator ions.
Thus the net ionic equation is
F- (aq) + H2O (l) <—>HF(l) + OH-(aq)
the solution is basic and has a pH of about 8.3
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