6.4.1.1 - Definition
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Practice Questions
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What is a solution?
💡 Hint: Focus on the uniformity of the composition.
Give an example of a heterogeneous mixture.
💡 Hint: Think of mixtures where you can see the individual parts.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of mixture is saltwater?
💡 Hint: Consider how the solutes mix with the solvent.
True or False: A solute is always a gas.
💡 Hint: Think of other solutes like sugar or salt.
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Challenge Problems
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Calculate the mass of solute needed to create a solution if you want a 10% (w/v) solution of NaCl in 500 mL of water.
💡 Hint: Use the formula for percentage concentration: (mass of solute)/(volume of solution) * 100.
Discuss why the temperature of a solvent affects the dissolution rate of solids and gases. Give examples.
💡 Hint: Link temperature with molecular movement.
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