1.4.2 - Molarity Calculations and Dilutions
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Practice Questions
Test your understanding with targeted questions
Calculate the molarity of a solution containing 5 moles of NaCl in 2 liters of solution.
💡 Hint: Recall the molarity formula.
What is the mass of 0.500 moles of KCl needed to prepare 1 L of 0.500 M solution?
💡 Hint: Use the molarity formula.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of molarity?
💡 Hint: Think about how we define concentration.
If you dilute a solution, what happens to its concentration?
💡 Hint: Consider what dilution means for the amount of solute.
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Challenge Problems
Push your limits with advanced challenges
A 3.00 M NaCl solution is to be diluted to make 750 mL of a 0.500 M NaCl solution. Calculate the volume of the stock solution needed for this dilution.
💡 Hint: Apply the dilution formula carefully.
A student needs to prepare 1.00 L of a 0.0500 M solution of glucose. If the molar mass of glucose is 180.18 g/mol, how many grams of glucose are required?
💡 Hint: Remember to calculate the right molar mass.
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