[填空题]
Water dissociates partially and thf0z6;j vej3j0le m :vj05iqx(rl hlc8 e value of the ionic prlu9yp:4u4mk 7 cd:4-krksbx5 r hhs/8rh )qmcoduct constant of water ak 8hckhx p)kmr b44 5-y9r m7duhslu:/s4rqc:t $25^{\circ}$ 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. $mol\:dm^{-3}$