79. Solving a chemistry problem
44.3 A portion of zinc ore weighing m g was put into solution and zinc was completely separated from it by electrolysis at a current of 1,000 A for a time t.
Calculate the mass of released zinc (g) and the mass fraction (%) of ZnO in the ore (the current efficiency was 100%):
Option 3
t, min 16.9
m, g 1.550
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