A mixture of potassium bromide and potassium chlorideweighing 3.595g is heated i

Question

A mixture of potassium bromide and potassium chlorideweighing 3.595g is heated in the pressence of chloride gas. This mixture completely reverts to potassium chloride. Thepure potassium chloride product has a mass of 3.129g. Whatpercentage of the original mixture was potassium bromide? Thanks for any help! A mixture of potassium bromide and potassium chlorideweighing 3.595g is heated in the pressence of chloride gas. This mixture completely reverts to potassium chloride. Thepure potassium chloride product has a mass of 3.129g. Whatpercentage of the original mixture was potassium bromide? Thanks for any help!

Explanation / Answer

We Know that :     MIxture ( KCl + KBr ) + Cl-    ------->   KCl ( Pure )          3.595gm                                                    3.129 gm           Amountof KBr Present in the Mixture = Weight ofthe Mixture - Weight of Pure KCl                                                                         = 3.595 gm   - 3.129 gm                                                                          = 0.466 gm          %   Of KBr Present in a Mixture = 0.466 gm / 3.595 gm x 100                                                                 = 12.96244%

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