5.2 - Molar Mass
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Practice Questions
Test your understanding with targeted questions
What is the molar mass of oxygen (O)?
💡 Hint: Check the periodic table for the atomic mass.
How many grams are in one mole of carbon (C)?
💡 Hint: Refer to the atomic weight of carbon.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the definition of molar mass?
💡 Hint: Think about how we measure amounts of substances in chemistry.
The molar mass of H₂ is 2 g/mol.
💡 Hint: Consider the molecular formula and how to calculate it.
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Challenge Problems
Push your limits with advanced challenges
A sample contains 24 grams of carbon dioxide (CO₂). Calculate the number of moles in the sample.
💡 Hint: Use the formula: moles = mass / molar mass.
If 7.5 grams of sodium (Na) are added to 300 mL of water, what is the molarity of the sodium in solution?
💡 Hint: Convert grams to moles, then divide by volume in liters.
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