Homework # 3 Separating Mixtures WS (ONLINE).

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Presentation transcript:

Homework # 3 Separating Mixtures WS (ONLINE)

Aim # 3: How can we separate a mixture?

How many phases of matter do you observe? CuSO4(S) H2O

How many phases of matter do you observe? Liquid

Is a homogeneous or heterogeneous mixture? Why? Do you know the formula for Copper II sulfate? CuSO4(S)

How can you separate copper (II) sulfate from the solution?

1. Evaporation To separate a non-volatile soluble salt from a liquid or recover the soluble solid solute from the solution. Evaporation of a solution

What method can you use to separate muddy water ?

2. Sedimentation or Decantation To separate the mixture of coarse particles of a solid from a liquid.

Can you use other method to separate muddy water?

3. Filtration Filtration is a process that separates the solid and liquid parts of a mixture. Example: sand and water.

3. BEAKER 1. STIRRING ROD 4. FILTER 2. RESIDUE 5. FUNNEL 6. BEAKER 7. FILTRATE

FILTRATION Sand : SiO2

CuSO4 (aq)+ sand Can we separate this sample by filtration? Sand : yes CuSO4: no Why? They formed ions and they are very small and passed trough the filter

FILTRATION

Is wine a mixture? How can you separate wine?

DISTILLATION

Crude Oil or Petroleum

FRACTIONAL DISTILLATION

4. DISTILLATION Distillation is a process in which a mixture of liquids can be separated by its boiling points.

How can we separate red blood cells and plasma from blood?

CENTRIFUGE

5. Centrifuge A centrifuge separates the more dense and less dense particles in the mixture.

What are the colors that exist in the spinach? This method is called……

6. CHROMATOGRAPHY Chromatography is a way to separate different molecules in a mixture. Example: INK and alcohol.

CHROMATOGRAPHY

How can you separate sulfur from iron?

Powdered iron and powdered sulfur Mixture of two elements!

7. Separation by using a magnet To separate a magnetic component from a mixture containing non- magnetic components.

Sulfur and Iron

Separation of Sugar and Iron Fillings

How can we separate two immiscible liquids?

Separating Funnel 8. Chemistry apparatus used to separate two or more liquids that are immiscible (do not mix together). Example: Oil and water

A. Mixtures can be separated by physical methods such as: 1. Evaporation 2. Sedimentation or Decantation 3. Distillation 4. Filtration 5. Centrifuge 6. Chromatography 7. Separation by using a magnet 8. Separating Funnel

How can you separate salty water?

PICTURE Description Prediction Filtrate Residue Mixture Soil and water suspension Copper sulfate and water solution Starch and water dispersion PICTURE Description Prediction Filtrate Residue Was the mixture separated?

End of the Show!