141. Solving a chemistry problem
Seller: Derkach
Price: 1.20 USD
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Product description
- A sample of zinc ore weighing m g was transferred into a solution and zinc was completely isolated from it by electrolysis at a current of 1,000 A for a time t.
Calculate the mass of released zinc (g) and mass fraction (%) of ZnO in the ore (current efficiency was 100%):
Option 1
t, min 10.0
m, g 1.250
Additional information
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.