79. Solving a chemistry problem

79. Solving a chemistry problem

1. Calculate the Ni concentration (mg/ml) based on the following data:
Solution Current at E=-1.1V, μA
25.0 ml 0.2M NaCl H2O up to 50 ml 5.5
25.0 ml 0.2M NaCl 10 ml sample solution (H2O up to 50.0 ml) 43.0
25.0 ml 0.2M NaCl 10 ml sample solution 3.0 ml 2*10-2 mg/ml Ni2 , (H2O up to 50.00 ml). 60.4

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