stresdstudent stresdstudent
  • 03-04-2018
  • Chemistry
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what are moles in chemistry??

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thompsongregorp3bmwn thompsongregorp3bmwn
  • 03-04-2018

First write a balanced chemical equation: 2K + Br2 ---> 2KBR Find the limiting reactant by using the moles of each element and determining which one gives you the smallest number of moles of potassium bromide. 2.92 mol K (2 mol KBr/2 mol K)= 2.92 mol KBr 1.78 mol Br2 (2 mol KBR/1 mol Br2)=3.56 mol KBr potassium is your limiting reactant so the max. number of moles of KBr that can be produced is 2.92 mol of KBr

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eveer2
eveer2 eveer2
  • 03-04-2018
it's the weight of avogadro num from atoms
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