2.5.2 - Simple Chemical Formulas – What They Represent
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Practice Questions
Test your understanding with targeted questions
What does the formula H₂O represent?
💡 Hint: Think about what happens when you mix hydrogen and oxygen.
What does the symbol 'O' stand for?
💡 Hint: It's an essential element for respiration.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does H₂O stand for?
💡 Hint: Think about how many H's there are in water.
True or False: The formula CO₂ contains one carbon atom.
💡 Hint: Look at the chemical symbols and their subscripts.
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Challenge Problems
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If you have 5 moles of H₂O, how many hydrogen atoms do you have in total?
💡 Hint: Remember to multiply the number of moles by hydrogen's subscript in H₂O.
Given the formula C₁₂H₂₂O₁₁, how many hydrogen and oxygen atoms are present?
💡 Hint: Look closely at the formula to determine the number of atoms.
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