Multiple Choice
A constant current is passed through a solution containing Cu2+(aq) resulting in the deposition of 4.40 g of Cu at the cathode.Assuming a current efficiency of 100%,if this same current is passed through a solution of TcO4- for the same amount of time,how many grams of Tc would form at the cathode?
A) 0.969 g
B) 1.94 g
C) 6.78 g
D) 13.6 g
Correct Answer:

Verified
Correct Answer:
Verified
Q198: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg" alt=" -Using Table 17.1,find
Q199: What is the Al<sup>3+</sup>:Ag<sup>+</sup>concentration ratio in the
Q200: The following cell has a potential of
Q201: What is the molarity of a potassium
Q202: Aluminum requires relatively little protection from corrosion
Q204: For a dead battery,<br>A)E is positive and
Q205: At 25°C,E° = +1.88 V for a
Q206: Consider the following galvanic cell. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg"
Q207: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg" alt=" -Consider the following
Q208: Determine the number of water molecules necessary