48. Solving a chemistry problem
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14. A sample of zinc ore weighing m g was transferred into solution and zinc was completely isolated from it by electrolysis at a current of 1,000 A for time t.
Calculate the mass of released zinc (g) and the mass fraction (%) of ZnO in the ore (the current efficiency was 100%):
Option 4
t, min 20.0
m,g 1,700
Answer: 4) 0.4065 g; 29.76%.
Calculate the mass of released zinc (g) and the mass fraction (%) of ZnO in the ore (the current efficiency was 100%):
Option 4
t, min 20.0
m,g 1,700
Answer: 4) 0.4065 g; 29.76%.
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