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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is Avogadro's constant?
💡 Hint: It's the number of particles in one mole.
Question 2
Easy
Define limiting reagent.
💡 Hint: Think about which reactant runs out first.
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 Avogadro's constant represent?
- The mass of an atom
- The number of entities in a mole
- The temperature of a gas
💡 Hint: Think about how we count atoms.
Question 2
True or False: The limiting reagent is always the most abundant reactant.
- True
- False
💡 Hint: Reflect on how reactions work.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a hypothetical reaction, you have 8 moles of A and 4 moles of B. If A reacts with B in a 1:1 ratio, what is the limiting reagent?
💡 Hint: Compare the amounts based on the given stoichiometry.
Question 2
Calculate the molarity of a solution if you dissolve 10 grams of NaCl in 500 mL of water. (Molar mass of NaCl = 58.44 g/mol)
💡 Hint: Convert grams to moles, then divide by volume in liters.
Challenge and get performance evaluation