Grade 11 Chemistry: Dilutions Worksheet
This worksheet covers key concepts and calculations related to dilutions in chemistry for Grade 11 students, including molarity, dilution formula, and practical applications.
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Standards
Grade 11 Chemistry: Dilutions
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following best describes the process of dilution?
Increasing the concentration of a solution.
Decreasing the amount of solvent in a solution.
Adding more solvent to a solution to decrease its concentration.
Removing solute from a solution.
2. What is the dilution formula commonly used in chemistry?
M1V1 = M2V2
M/V = C
V/M = C
M+V = C
3. When diluting a solution, the amount of solute .
4. Molarity is defined as moles of solute per of solution.
5. You have a 2.0 M stock solution of HCl. How much of this stock solution would you need to prepare 500 mL of a 0.5 M HCl solution?
6. A chemist dilutes 25 mL of a 1.5 M NaOH solution to a final volume of 250 mL. What is the final concentration of the NaOH solution?
7. Adding more solvent to a solution increases its concentration.
True
False
8. The number of moles of solute remains constant during a dilution.
True
False
Match each term on the left with its definition on the right.
9. Solute
a. The substance that dissolves another substance.
10. Solvent
b. The substance being dissolved in a solution.
11. Solution
c. A homogeneous mixture of two or more substances.
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