consider the titration of a ml of M aqueous solution of copper II nitrate with M
ID: 962413 • Letter: C
Question
consider the titration of a ml of M aqueous solution of copper II nitrate with M EDTA. what would the ph of the copper solution have to be in order to quantitaively perform this titration? Calculate pCu values for this titration at 0,50,100, and 125 percent titration. consider the titration of a ml of M aqueous solution of copper II nitrate with M EDTA. what would the ph of the copper solution have to be in order to quantitaively perform this titration? Calculate pCu values for this titration at 0,50,100, and 125 percent titration. consider the titration of a ml of M aqueous solution of copper II nitrate with M EDTA. what would the ph of the copper solution have to be in order to quantitaively perform this titration? Calculate pCu values for this titration at 0,50,100, and 125 percent titration.Explanation / Answer
The Cu- EDTA titration is generally performed at pH= 8.5 of the copper solution, which is achieved by adding ammonia to the copper solution.
To solve the next part of the question, I will assume that by "M aqueous solution of copper II nitrate" you meant that the concentration of copper nitrate is 1 M.
pCu= -log[Cu2+]
At 0 percent titration, [Cu2+] = 1M, pCu = -log 1 = 0
At 50 percent titration [Cu2+] = 0.5 M, pCu= -log 0.5 = 0.301
At 100 and 125 percent titration, [Cu2+]= 0 M, pCu is incalculable as log 0 does not exist.
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