The following two reactions are possible methods for refining copper in the final step of a smelting process, i. e., getting pure copper (cu) from copper ores found in rocks. calculate the theoretical atom economy for each reaction. a. 2 cuo(s) + c(s) → 2 cu(s) + co2(g) = % b. cuo(s) + co(g) → cu(s) + co2(g) = %

a) 74%

b) 59%

Explanation:

Atom economy gives how much desired product is obtained compared to amount of starting materials.

For reaction a:

For reaction b:

Thus atom economy for reaction a is 74% and reaction b is 59%.

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