A gas mixture contains 14.8 mol of Br2 and 66.5 mol of F2.(a) Compute the mole fraction of Br2 in the mixture.XBr2 = (b) The mixture is then heated, and the Br2 starts to react with the F2 to give BrF5: Br2(g) + 5F2(g) -> 2BrF5(g) At a certain point in the reaction, 7.70 mol of BrF5 is present. Determine the mole fraction of Br2 in the new mixture. XBr2 =

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A gas mixture contains 14.8 mol of Br2 and 66.5 mol of F2.

(a) Compute the mole fraction of Br2 in the mixture.

XBr2 = 

(b) The mixture is then heated, and the Br2 starts to react with the F2 to give BrF5:

Br2(g) + 5F2(g) -> 2BrF5(g)


At a certain point in the reaction, 7.70 mol of BrF5 is present. Determine the mole fraction of Br2 in the new mixture.

XBr2 = 

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