QUESTION 3 (10 marks) (a) Amir has been asked by his supervisor to build an electrochemical cell to get the brightest li

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QUESTION 3 (10 marks) (a) Amir has been asked by his supervisor to build an electrochemical cell to get the brightest li

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Question 3 10 Marks A Amir Has Been Asked By His Supervisor To Build An Electrochemical Cell To Get The Brightest Li 1
Question 3 10 Marks A Amir Has Been Asked By His Supervisor To Build An Electrochemical Cell To Get The Brightest Li 1 (88.97 KiB) Viewed 30 times
QUESTION 3 (10 marks) (a) Amir has been asked by his supervisor to build an electrochemical cell to get the brightest light for their new device. He has been given an electrolyte such as glucose, sulfuric acid and carbonic acid. What types of electrolytes he should use? What kind of electrolyte he must avoid? State and explain your answer. (6 marks) (b) In one conductivity cell, the resistance of a 0.1 M KCl solution is 1.5x102 12. The known molar conductivity of the solution is 101 1-1 cm2 mol-?. Calculate the cell constant, Kcell (Kcell unit is cm-?). (2 marks) (c) A student measured the resistance of a 0.5 M NaCl solution to be 45 12. Calculate the experimental value of the molar conductivity of this solution if the value of Kcell is 0.0083 cm. (2 marks)
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