5.1 - Mole Concept
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Practice Questions
Test your understanding with targeted questions
What is one mole of any substance equal to?
💡 Hint: Think of a specific constant in chemistry.
Define molar mass.
💡 Hint: It connects mass with moles.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is Avogadro’s number?
💡 Hint: This is a key constant in chemistry.
True or False: One mole of any gas occupies 22.4 liters at STP.
💡 Hint: Think about gas volumes at STP.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If 50 grams of magnesium (Mg) are needed to react completely with 80 grams of oxygen (O₂), determine the limiting reactant based on their molar masses (Mg = 24.3 g/mol, O₂ = 32 g/mol).
💡 Hint: Check the stoichiometric ratios and relate them to the moles calculated.
Calculate the mass needed to produce 5 moles of water (H₂O) given the molar mass of water is 18 g/mol.
💡 Hint: Use the molar mass relationship to find the required mass.
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