1mol/L氯化钠、1mol/L氯化钡与1mol/L氯化铝溶液的电导率按下列哪种次序递减

A、NaCl>BaCl[img=~/QImg/2013-10-14-10-14-34/image001.jpg]>AlCl[img=~/QImg/2013-10-14-10-14-34/image003.jpg]
B、BaCl[img=~/QImg/2013-10-14-10-14-34/image001.jpg]>NaCl>AlCl[img=~/QImg/2013-10-14-10-14-34/image003.jpg]
C、AlCl[img=~/QImg/2013-10-14-10-14-34/image003.jpg]>NaCl>BaCl[img=~/QImg/2013-10-14-10-14-34/image001.jpg]
D、AlCl[img=~/QImg/2013-10-14-10-14-34/image003.jpg]>BaCl[img=~/QImg/2013-10-14-10-14-34/image001.jpg]>NaCl