298K时,已知 _(m)(NaCl)=1.086times (10)^-2(S)_(... )(m)^2cdot mo(l)^-1-|||-_(m)(NaOH)=2.172times (10)^-2(S)_(cdot cdot )(m)^2cdot mo(l)^-1 和-|||-_(m)(N(H)_(4)Cl)=1.298times (10)^-2(S)_(cdot cdot )(m)^2cdot mo(l)^-1 NH3·H2O 2O在-|||-浓度为 .1molcdot (dm)^-3 时的摩尔电导率-|||-_(m)=3.09times (10)^-4(S)_(cdot cdot )(m)^2cdot mo(l)^-1, 浓度为 .01molcdot (dm)^-3-|||-时的摩尔电导率 _(m)=9.62times (10)^-4(S)_(cdot cdot )(m)^2cdot mo(l)^-1 试根据-|||-上述数据求NH3·H 2O的两种不同浓度溶液的解离度和解-|||-离常数。