Answer to Question #268857 in General Chemistry for larrkyy

General Chemistry

Question #268857

using the chemical equation: 3H2+N2->2NH3 determine the mole of H2 needed to form 124 grams of NH3

Expert's answer

Molar mass of NH₃is 17.031 g/mol

Moles of $NH_3=\frac{124}{17.031}=7.28moles$

Moles of $H_2=\frac{3}{2}×7.28=10.92moles$

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