[填空题]
Water dissociates parj/iv+;i 3tsx mrv).0plyq w ; dk6wfa*d2f7vtx ekc wp.d(,/ytially and the value of the ionic product constant of water at ep,f ty .dw7xc/k(2dv$25^{\circ}$ is $1.00\times10^{-14}$.
1.State an equation for the dissociation of water.
2.Calculate the pH of a $0.0100mol\:dm^{-3}$ of lithium hydroxide at 298K.
3.Explain whether a $0.0100mol\:dm^{-3}$ solution of calcium hydroxide will have a higher or lower pH than a $0.0100mol\:dm^{-3}$ solution of lithium hydroxide at the same temperature. $mol\:dm^{-3}$
