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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is one mole of any substance equivalent to in particles?
💡 Hint: Think of a mole as a counting unit like a dozen.
Question 2
Easy
Express molar mass in terms of units.
💡 Hint: It's how we measure the mass of a mole.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does one mole represent?
- 6.02 x 10²² particles
- 6.02 x 10²³ particles
- 1 gram
💡 Hint: It's a big number used in counting particles.
Question 2
True or False: A balanced equation allows for the determination of yield based on limiting reactants.
- True
- False
💡 Hint: Think about conservation of mass.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If you start with 4 moles of H₂ and 2 moles of O₂, how many moles of water can you produce? (H₂ + O₂ → H₂O)
💡 Hint: Look at the balanced equation for ratios.
Question 2
A reaction produces a theoretical yield of 50g of product. If only 35g is recovered, what is the percentage yield?
💡 Hint: Use the percentage yield formula.
Challenge and get performance evaluation