Problem- Calculate pCd2+ at each of the following points in the titration of 45.00mL of 0.0020M Cd2+ with 0.0020M EDTA in the presence of auxiliary complexing agent NH3. The solution is buffered at a pH of 11.00. Take the NH3 concentration to be a constant 0.100M. The formation constant for the Cd2+-EDTA complex is given by Kf=2.9E16
1) 0mL
2) 1.00mL
3) 40.00mL
4) 45.00mL
5) 50.00mL
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