【简答题】A glass electrode-SCE pair is calibrated at 25℃ with a pH 4.01 standard buffer, the measured voltage being 0.814V. What voltage would be measured in a 1.00×10 -3 mol/Lacetic acid solution?Assume =[H +...
【单选题】They were ____ by grief when their baby died.
【简答题】The modern pH electrode is an example of a ( ) because both the indicator electrode and reference electrode are included with the same device.
【单选题】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
【单选题】温度为 T 的理想气体,当压强保持不变时,分子的平均自由程与
【单选题】The actual design of the membrane electrode referred to the pH electrodes cell, in the following convenient writing form is missing. (-) | test solution H + (X=?) | SCE (+)
C.
glass membrane electrode
【单选题】温度为T的理想气体,当压强保持不变时,分子的平均自由程与
【单选题】The protein molecule (PI=8.5) will mobile to the positive electrode when the PH of electrophoresis buffer is