When 8 grams of hydrogen (H₂) react with 2 moles of oxygen (O₂), how many moles of water (H₂O) are formed?
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What is the amount of water produced when 80 grams of hydrogen and 80 grams of oxygen react completely?
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Magnesium reacts with hydrochloric acid as per the reaction: Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g). Given 21 grams of magnesium and 21 grams of HCl, which reactant is in excess?
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When 2 grams of hydrogen react with 32 grams of oxygen, what is the limiting reactant? (H = 1, O = 16)
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Which of the following is always formed in the smallest possible amount during a reaction?
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If 56 grams of iron (Fe) react with oxygen (O₂) to produce Fe₂O₃, which reactant is the limiting one?
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When 50 grams of carbon and 50 grams of oxygen react together, which is the limiting reactant?
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What is meant by the limiting reactant in a chemical reaction?
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If 4 grams of hydrogen (H₂) and 4 grams of oxygen (O₂) react, what is the mass of water produced?
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Why is identifying the limiting reactant important in industry?
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What is the next step after identifying the limiting reactant?
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In a lab reaction, 6 moles of A react with 2 moles of B. The balanced equation is A + 2B → C. Which is the limiting reactant?
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In a reaction, 5 moles of A react with 3 moles of B, and the balanced reaction is A + B → AB. Which is the excess reactant?
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If 4 moles of CH₄ react with 8 moles of O₂ in the reaction CH₄ + 2O₂ → CO₂ + 2H₂O, which is limiting?
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What is the product of the reaction between 2 moles of Al and 3 moles of Cl₂ if the reaction is: 2Al + 3Cl₂ → 2AlCl₃?
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Given the reaction: N₂ + 3H₂ → 2NH₃, if you have 1 mole of N₂ and 4 moles of H₂, which is the limiting reactant?
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You react 10 grams of calcium (Ca) with 10 grams of water (H₂O). Which is in excess? (Ca = 40, H₂O = 18)
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In a reaction, if one reactant is completely used up and the other is left over, what do we call the one that is left over?
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Which concept is most important in predicting the maximum amount of product in a reaction?
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If you react 4 moles of H₂ with 2 moles of O₂, what is the limiting reactant?
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Review the mole ratio and limiting/excess reactant concept.
