Volumetric Analysis: Acid-Base (LC 2027) (Leaving Cert Chemistry): Flashcards

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Dilution of Solutions
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Dilution

Process of reducing concentration by adding solvent

What stays constant in dilution

Amount of solute

Lab HCl concentration (M)

12 M

Lab H₂SO₄ concentration (M)

18 M

Lab HNO₃ concentration (M)

16 M

Dilution equation

Vol1×M1=Vol2×M2\text{Vol}_1 \times M_1 = \text{Vol}_2 \times M_2

M1M_1 in dilution equation

Initial concentration (molarity)

M2M_2 in dilution equation

Final concentration (molarity)

Vol1\text{Vol}_1 in dilution equation

Initial volume

Serial dilution

Systematic dilution reducing concentration by same factor each step

Common serial dilution ratio

1:10

Dilution factor formula

Total volumeStock volume\frac{\text{Total volume}}{\text{Stock volume}}

Overall serial dilution factor

Multiply individual dilution factors together

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