The cell (-)SCE || Ag2CrO4 (saturated),CrO42- |Ag(+) is employed for
The cell (-)SCE || Ag2CrO4(saturated),CrO42-|Ag() is employed for the determination of pCrO42-. Calculate pCrO42-when the cell potential is 0.402 V.
The cell (-)SCE || Ag2CrO4(saturated),CrO42-|Ag() is employed for the determination of pCrO42-. Calculate pCrO42-when the cell potential is 0.402 V.
第5题
A.Because they arrived there too late.
B.Because they can't stand seeing the tragic scene.
C.Because the police didn't allow them to see it.
D.Because they should not destroy the scene.
第8题
A.一套智能网设备中,SMP是可选设备,SCP和SCE是必选设备。
B.SCE的功能是业务处理和控制,它是智能网的核心设备。
C.IP和SSP必须分离设置,不能合为一个整体。
D.SAU是SCP的一个组成部分。
第9题
在稀的水溶液中氧的扩散系数为,溶液中氧的浓度为(相对于SCE)处所得扩散电流为5.8uA,m及t依次为及4.09s,间在此条件下氧还原成什么状态?
第10题
用氟离子选择电极作负极:SCE作正极,取不同体积的含F-标准溶液
(CF-=2.0X10-4mol·L-1),加入一定的TISAB,稀释至100mL,进行电位法测定,测得数据如下:
取试液20mL,在相同条件下测定,E=-359mV.
(a)绘制E一–lgCrF-工作曲线.
(b)计算试液中F-的浓度.