Question

2. In a polarographic estimation, the
limiting currents (UA) were 0.15, 4.65,
9.15 and 27.15 when concentrations
(MM) of Pb(II) were 0, 0.5, 1.0 and 3.0
respectively. An unknown solution of Pb
(II) gives a limiting current of 13.65 uA.
Concentration of Pb(II) in the unknown
solution sis
(a)
1.355 mm
(b)
1.408 mM
1.468 mM
1.500 mM​

Answer 1

Answer:

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