Practice Limiting Reagent (1.10.1) - SOME BASIC CONCEPTS OF CHEMISTRY

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6 sample questions

Question 1.
Define limiting reagent.
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Think about which reactant affects the product yield.
Question 2.
How can you identify the limiting reagent in a reaction?
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Use the balanced equation to help.
3Question 3.
What is a limiting reagent?
- A reactant that is in excess
- A reactant that is consumed first
- A product that forms
- None of the above
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Think about what happens when one reactant runs out.
4Question 4.
True or False: The excess reactant affects the yield of product.
- True
- False
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Focus on the definition of limiting and excess.
Question 5.
In a reaction where 16 g of methane reacts with 32 g of oxygen, determine the limiting reagent, and how much water is produced.
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First, calculate which reactant runs out first.
Question 6.
You have 10 g of Mg and 30 g of HCl. Calculate the mass of hydrogen produced in the reaction Mg + 2HCl → MgCl2 + H2.
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Consider the molar masses and stoichiometry.

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