100. Solving a chemistry problem

100. Solving a chemistry problem

7. From the analyzed solution containing trivalent metal ions, as a result of electrolysis at a current strength of 1.000 A, during time r, t (g) of metal was isolated on the cathode:
Option 5 6 7
m, g 0.3772 0.6497 0.5047
τ , min 35.0 15.0 20.0
Determine which metal was in the solution if the current efficiency η = 100%.
SOLUTION FOR OPTION 7.

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