Je4ApNa  3246电极受到污染后,先用盐酸浸泡15~20min,然后用水冲洗干净,再浸泡在氯化钠溶液中活化  

Je4ApNa  3246电极受到污染后,先用盐酸浸泡15~20min,然后用水冲洗干净,再浸泡在氯化钠溶液中活化  

A.5%,0.1mol/L

B.10%,0.1mol/L

C.5%,0.01mol/L

D.10%,0.01mol/L

正确答案是C