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What is the limiting reagent when 150.0 g of nitrogen react with 32.1 g of hydrogen?
Wiki User
∙ 10y ago
assuming you are talking about the synthesis of ammonia (NH3)
N2 + 3 H2 --> 2 NH3
150.0 g / 28g/mole = 5.357 moles of nitrogen
32.1 g / 2.0g/mole = 16.05 mole of H2
5.357 moles N2 x 2 mol NH3 / 1 mol N2 = 10.714 mole ammonia (theoretical)
16.05 moles H2 x 2 mol NH3 / 3 mol H2 = 10.7 mole ammonia (theoretical)
Almost the same, but 10.7 is slightly smaller.
The smallest theoretical was found using hydrogen so hydrogen is the limiting reactant.
Wiki User
∙ 10y ago
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