Practice Stoichiometric Relationships (1) - Unit 1: Stoichiometric Relationships

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6 sample questions

Question 1.
Calculate the number of moles in 18 g of water.
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Use the molar mass of water: 18 g/mol.
Question 2.
What is Avogadro's constant?
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It's the number of entities in a mole.
3Question 3.
What is the term for the amount of product predicted from a reaction based on the limiting reagent?
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It's the maximum amount obtainable.
4Question 4.
True or False: The actual yield can exceed the theoretical yield.
- True
- False
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Consider the definition of theoretical yield.
Question 5.
If 8.00 g of H₂ reacts with 32.00 g of O₂ to produce water, how many grams of water can be produced if H₂ is the limiting reagent?
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Use moles of H₂ to figure out theoretical yield.
Question 6.
Calculate the maximum grams of NaCl produced from 5.00 g Na reacting with excess Cl₂.
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Find moles of Na and use the molar mass of NaCl for final conversion.

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