Practice - The Mole: A Chemist's Dozen
Practice Questions
Test your understanding with targeted questions
What is a mole?
💡 Hint: Think about how we group items like a dozen.
How many particles are in 2 moles of water?
💡 Hint: Use Avogadro's number to calculate.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does one mole represent?
💡 Hint: Think about the definition of a mole.
True or False: Molar mass is measured in grams per mole.
💡 Hint: Remember the unit of measure for molar mass.
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Challenge Problems
Push your limits with advanced challenges
A student mixes 5 moles of glucose (C₆H₁₂O₆) in water. Calculate the mass of glucose used. (C₆H₁₂O₆ has a molar mass of 180.18 g/mol.)
💡 Hint: Use the definition of molar mass.
If 2 moles of sulfuric acid (H₂SO₄) react with sodium hydroxide (NaOH), what mass of NaOH is required? (The molar mass of NaOH is 40.00 g/mol and the reaction is 2 H₂SO₄ + 2 NaOH → 2 Na₂SO₄ + 2 H₂O)
💡 Hint: Refer to the balanced chemical equation.
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