56. Solution to Chemistry Problem
Content: 20.docx (22.78 KB)
Uploaded: 09.05.2025
Positive responses: 0
Negative responses: 0
Sold: 0
Refunds: 0
$1.32
20. Determine the concentration (mg/l) of nickel in the test solution if the following results were obtained during amperometric titration of 20.00 ml of this solution with an alcoholic solution of dimethylglyoxime (DMGO) with T(DMGO/Ni)=0.00203:
V(DMGO), ml Diffusion current Id, μA, for variants
1 2 3 4 5
0.0 240 160 220 260 279
0.5 190 115 100 225 250
1.0 93 46 40 158 186
2.0 41 65 62 124 153
2.5 76 85 85 100 122
3.0 110 104 106 148 90
3.5 145 122 127 192 80
4.0 180 140 148 240 100
V(DMGO), ml Diffusion current Id, μA, for variants
1 2 3 4 5
0.0 240 160 220 260 279
0.5 190 115 100 225 250
1.0 93 46 40 158 186
2.0 41 65 62 124 153
2.5 76 85 85 100 122
3.0 110 104 106 148 90
3.5 145 122 127 192 80
4.0 180 140 148 240 100
If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)
No feedback yet