3. After 30 minutes of anodizing an aluminum part at a current density of 1.2 A/dm2, an oxide film (Al2O3) 6 μm thick with a porosity of about 14% was obtained. Calculate the current efficiency during oxidation if the density of non-porous Al2O3 is 3.85 g/cm3.

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 :)