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Dilution �Notes

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What is a dilution?

Dilution is the process of reducing the concentration of a solute in solution, usually simply by mixing with more solvent.

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Diagram

**Make sure you know what a stock solution is.

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Dilution Equation �(on reference chart)

V1M1=V2M2

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  • To make a 3.25 L of .600 M Sodium Hydroxide, how many mL of a 1.20 M NaOH stock should be used?

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  • Beginning with commercial grade Nitric Acid, 600.0 mL of 9.00 M HNO3 is added to water to bring total volume of solution to .900 L. What is the concentration of this new solution?

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  • A 5.00 M solution of KBr is mixed with water to produce 10.0 L of 1.250 M KBr. How many liters of stock solution were used?

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  • The label is missing from solution of Potassium Chromate. You know that a 1.50 M solution of potassium chromate was created by adding 400.0 mL of stock solution to water to make a total volume of .800 L. What was the original molarity?

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