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Chemistry
Jayda Prince
17 May, 04:35
What are moles in chemistry?
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Jakobe Copeland
17 May, 07:49
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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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Armando
17 May, 07:56
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It's the weight of avogadro num from atoms
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