1.10 - Additional Practice Questions
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Practice Questions
Test your understanding with targeted questions
What is the empirical formula for a compound containing 50.0% carbon and 50.0% hydrogen?
💡 Hint: Convert grams to moles for C and H.
Balance the equation: H₂ + O₂ → H₂O.
💡 Hint: Start by balancing the oxygen first.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the empirical formula of a compound containing 40% sulfur and 60% oxygen?
💡 Hint: Convert mass percentages to moles.
True or False: The molecular formula can be the same as the empirical formula.
💡 Hint: Consider the simplest forms.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A sample contains 2.00 g of a compound with 48.37% carbon, 7.42% hydrogen, and 44.21% oxygen. Determine the empirical and molecular formulas assuming a molar mass of 88.00 g/mol.
💡 Hint: Remember to convert masses to moles and simplify.
A school laboratory uses a 10.0 M HCl solution and needs to prepare 500 mL of a 1.0 M solution for experiments. How much concentrated acid is needed?
💡 Hint: Make sure your units match (liters to mL).
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