A 20.0 ml. sample of 0.0200 M Cu buffered at pH 10.00 is titrated with 0.0300 M EDTA, Calculate pCu at cach of the added volumes of EDTA. For the Cu-EDTA complex, log K, is 18.78. The fraction of free EDTA in the Y form, aya, can be found in this table.

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A 20.0 ml. sample of 0.0200 M Cu buffered at pH 10.00 is titrated with 0.0300 M EDTA, Calculate pCu at cach of the
added volumes of EDTA. For the Cut-EDTA complex, log K is 18.78. The fraction of free EDTA in the Y- form, aya, can
be found in this table.
1.522
O ml pCu+
Incorrect
1.823
4.44 ml. pCut
Incorrect
13.3 ml. pCu
Incorrect
18.3 ml. pCu+
Incorrect
Transcribed Image Text:A 20.0 ml. sample of 0.0200 M Cu buffered at pH 10.00 is titrated with 0.0300 M EDTA, Calculate pCu at cach of the added volumes of EDTA. For the Cut-EDTA complex, log K is 18.78. The fraction of free EDTA in the Y- form, aya, can be found in this table. 1.522 O ml pCu+ Incorrect 1.823 4.44 ml. pCut Incorrect 13.3 ml. pCu Incorrect 18.3 ml. pCu+ Incorrect
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