Post-laboratory exercises: YOU CAN FIND THE ELECTROCHEMISTRY LAB REPORT ONLINE I

Question

Post-laboratory exercises: YOU CAN FIND THE ELECTROCHEMISTRY LAB REPORT ONLINE IF YOU NEED MORE INFORMATION. PLEASE ANSWER THE QUESTION BELOW.

(1) Two solutions of equal concentration are quantitatively analyzed by the process described in this laboratory. One of the solutions contains Ni+2 ion while the other solution contains Ag+ ion and their concentrations are within the concentration range of the standards. Which of the concentrations reported for each solution would have greater precision? Why?

Explanation / Answer

Ag+ will give greater precison. In case of Ag+ it is easily water soluble and does not form any complex. whereas during solubility of Ni2+ it form complex which is difficult to analyse. so complexibility is key factor for determination of accuracy.

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