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71. Solving a chemistry problem
Uploaded:
01.12.2022
Content: 3.rar 17,09 kB
Content: 3.rar 17,09 kB
Product description
3. A weighing of 1.400 g of zinc ore was transferred into solution and zinc was completely isolated from it by electrolysis at a current of 1 A for 13 minutes. Calculate the mass of released zinc (g) and the mass fraction (%) of zinc oxide in the ore (the current efficiency was 100%).
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