Nuclear engineers use chlorine trifluoride in the processing of uranium fuel for

Question

Nuclear engineers use chlorine trifluoride in the processing of uranium fuel for power plants. This extremely reactive substance is formed as a gas in special metal containers by the reaction of elemental chlorine and fluorine. This is the reaction:

______Cl2(g) + ____ F2(g) + _____ ClF3(g)

When this reaction is run with 53.3 g of Cl2 and 114.0 grams of F2, what mass of chlorine trifluoride will be prepared?

Explanation / Answer

______Cl2(g) + __3__ F2(g) --> ___2__ ClF3(g) moles of Cl2 = 53/71 = 0.746 moles of F2 = 114/38 = 3 moles of ClF3 produced = 0.746*2 = 1.492 moles Mass of ClF3 = 1.492*(35.5+19*3) = 138.01 gm

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