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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the molarity of a solution containing 5 moles of NaCl in 2 liters of solution.
💡 Hint: Recall the molarity formula.
Question 2
Easy
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.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the unit of molarity?
- mol/L
- g/L
- M
💡 Hint: Think about how we define concentration.
Question 2
If you dilute a solution, what happens to its concentration?
- True
- False
💡 Hint: Consider what dilution means for the amount of solute.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation