![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-53/ti_inject-812ce.png)
The potential difference on the pH glass electrode is generated from the difference of ( ).
A.
the features of the inner and outer glass membrane
B.
the concentrations of H + in the inner and outer solution
C.
the activities of H + in the inner and outer solution
D.
the types of the inner and outer reference electrode