• anonymous
The following is a Limiting Reactant problem: Magnesium nitride is formed in the reaction of magnesium metal with nitrogen gas in this reaction: 3 Mg(s) + N2(g) Mg3N2(s) How many grams of product are formed from 2.0 mol of N2 (g) and 8.0 mol of Mg(s)?
  • Stacey Warren - Expert
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  • chestercat
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  • JFraser
since you know both the amounts of \(N_2\) and \(Mg\) you start with, compare the mole ratio that the balanced reaction says you \(need\) with the molar amounts the problem says you \(have\)
  • JFraser
the balanced reaction tells you that for every 1 mole of \(N_2\), you \(need\) three times that much \(Mg\) in order to use everything up You \(have\) two moles of \(N_2\), so how many moles of \(Mg\) should be used?

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