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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Q: What is the value of Keq for the reaction NO(g)  1/3 NO2(g) + 1/3 N2O(g)? Keq =  .

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.