SolutionVideoNotes1

I. Some definitions
a. Suspension –

b. Colloid (Gelatin) –

c. Tindall Effect –

Most common type of solutions –

II. Example of Solutions

a. Gas dissolved in liquids -
b. Gas dissolved in gas -

III. Look on next page for space for Salt dissolved in water
Browning motion –

IV. Look on next page for space for Sugar dissolved in water
Back from next page
V. Components of Solutions

a. Solute –

b. Solvent –

Most common solvent (called universal solvent)?

VI. Concentrated vs. Dilute

Equation for Molarity (M) =

VII. Comparing Properties of Pure Solvent to Solution

a. Freezing point (FP) depression: FP_solution > FP_{pure solvent} or FP_solution < FP_{pure solvent}

b. Boiling point (BP) elevation: BP_solution > BP_{pure solvent} or BP_solution < BP_{pure solvent}

VIII. Adding Solute to a Solvent (to create solution)

Unsaturated solution –

Saturated solution (called saturation point) – DYNAMIC EQUILIBRIUM
Explain in words:

Explain by pictures






Supersaturated solution: (does not happen often)

Other ways to precipitate solid out of solution

IX. A. Salt (ionic solid) dissolving in water (polar molecule)

Explain in words:
Hydration or Hydrated ion
Picture:












X. B. Sugar (polar molecule) dissolved in water (polar molecule).

Explain in words:(Go back to previous page after answering this question)



Picture(will do in class):













XI. C. Oil (non-polar molecule) in water (polar molecule)
Explain in words:

Picture:















XII. D. Oil (non-polar molecule) in CCl₄ (non-polar molecule)

Explain in words:

Picture:















Rule for Dissolving (solid in liquid) and Miscibility (liquid in liquid):