1.1.1 - Why the Mole? From Atoms to Grams
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Practice Questions
Test your understanding with targeted questions
What is Avogadro's constant?
💡 Hint: Think about how many atoms are in a mole.
Why do chemists use the mole?
💡 Hint: Consider the relationship between tiny atoms and larger samples.
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Interactive Quizzes
Quick quizzes to reinforce your learning
How many particles are in one mole of any substance?
💡 Hint: Think about how many items are in a dozen.
True or False: The mole is only used for measuring gases.
💡 Hint: Consider all forms of matter.
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Challenge Problems
Push your limits with advanced challenges
You have 48 grams of calcium carbonate (CaCO₃). How many moles of CaCO₃ do you have?
💡 Hint: Calculate using the molar mass formula.
In a chemical reaction, if you start with 10 moles of oxygen (O₂), how many grams of oxygen do you have?
💡 Hint: Use the known molar mass for conversion to grams.
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