1.9 - Practice Problem Solutions (Outline)
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Practice Questions
Test your understanding with targeted questions
Calculate the number of moles in 50.0 g of NaCl.
💡 Hint: Use the formula: moles = mass / molar mass.
What is the molar mass of H₂O?
💡 Hint: Add the atomic masses of its constituent atoms.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the molar mass of water (H₂O)?
💡 Hint: Remember to add atomic weights of all atoms in the molecule.
True or False: A limiting reagent is fully consumed in a reaction.
💡 Hint: Think about which reactant runs out first.
1 more question available
Challenge Problems
Push your limits with advanced challenges
An experiment produces 7.50 g of NaCl from a reaction. If the theoretical yield is 10.00 g, what is the percent yield?
💡 Hint: Use the percent yield formula.
How many liters of oxygen at STP are needed to completely combust 50 g of propane (C₃H₈)?
💡 Hint: Use the ideal gas law where 1 mol of gas occupies 22.4L at STP.
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