5 - Mole Concept and Stoichiometry
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Practice Questions
Test your understanding with targeted questions
What is one mole equal to in terms of particles?
💡 Hint: Remember the name associated with this number.
What is the molar mass of carbon dioxide (CO₂)?
💡 Hint: Calculate using the atomic masses from the periodic table.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is Avogadro's number?
💡 Hint: It's the foundational number in the mole concept.
Stoichiometry involves which of the following?
💡 Hint: Consider what stoichiometry means in terms of chemical reactions.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A researcher combines 10 grams of magnesium with 20 grams of hydrochloric acid. Determine the limiting reactant and how much hydrogen gas can be produced.
💡 Hint: Just balance the reaction and calculate moles of each reactant.
Calculate the volume of gas produced when 4 moles of ethylene (C₂H₄) reacts with 5 moles of oxygen (O₂) in the reaction: 2C₂H₄ + 7O₂ → 4CO₂ + 6H₂O.
💡 Hint: Remember to account for gases at STP when using our volume conversions.
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