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

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6 sample questions

Question 1.
What is one mole of any substance equivalent to in particles?
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Think of a mole as a counting unit like a dozen.
Question 2.
Express molar mass in terms of units.
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It's how we measure the mass of a mole.
3Question 3.
What does one mole represent?
- 6.02 x 10²² particles
- 6.02 x 10²³ particles
- 1 gram
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It's a big number used in counting particles.
4Question 4.
True or False: A balanced equation allows for the determination of yield based on limiting reactants.
- True
- False
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Think about conservation of mass.
Question 5.
If you start with 4 moles of H₂ and 2 moles of O₂, how many moles of water can you produce? (H₂ + O₂ → H₂O)
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Look at the balanced equation for ratios.
Question 6.
A reaction produces a theoretical yield of 50g of product. If only 35g is recovered, what is the percentage yield?
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Use the percentage yield formula.

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