88. Solving a chemistry problem

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Determine the concentration of zinc (mg/l) in the investigated amperometric titration of 10.00 ml of this solution of K4Fe(CN)6 with T(K4Fe(CN)6/Zn)=0.00244 obtained the following results:
V(K4Fe(CN)6), ml Id, μA
0 20.00
0.20 20.00
0.40 31.0
0.50 40.0
1.00 94.0
1.50 146
2.00 200
2.50
3.00

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