81. Solving a chemistry problem
Seller: Derkach
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Product description
- A weighing of 0.2485 g of the alloy was dissolved in acid and lead in the form of PbO2 was quantitatively isolated on the anode, spending 3 minutes 48 seconds at a current of 0.15 A. Current efficiency 90%. Calculate the mass fraction of lead (%) in the alloy.
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.