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{ "quality": "incomplete", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Mole Ratio", "Chemical Equations" ], "new_concepts": [ "Stoichiometry Calculations" ], "current_concepts": [ "Mole Ratio", "Chemical Equations", "Stoichiometry Calculations" ] } ## Identify the chemical reaction and given quantities $$ \begin{aligned} &\text{Reaction: } \text{N}_2(\text{g}) + 3\text{H}_2(\text{g}) ightarrow 2\text{NH}_3(\text{g})\ &\text{Mole ratio: } \frac{2\text{ mol NH}_3}{3\text{ mol H}_2} \text{ or } \frac{2\text{ mol NH}_3}{1\text{ mol N}_2} \end{aligned} $$ ## Calculate moles of product formed $$ \begin{aligned} &\text{Given: } 8.1\text{ mol H}_2 \text{ (limiting reactant)}\ &n(\text{NH}_3) = 8.1\text{ mol H}_2 \times \frac{2\text{ mol NH}_3}{3\text{ mol H}_2} = 5.4\text{ mol} \end{aligned} $$

(A) 8.1 mol

(B) 3.6 mol

(C) 10.8 mol

(D) 5.4 mol

{ "subject": "Natural Science", "question_type": "Multiple Choice", "knowledge_point": [ "Natural Science", "Chemistry", "Stoichiometry Calculations" ] }

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Identify the chemical reaction and given quantities

Calculate moles of product formed

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