notes gb lab 11 disappearing powde investigating solubility

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Page 1: Notes gb lab 11 disappearing powde investigating solubility

Notes

Page 2: Notes gb lab 11 disappearing powde investigating solubility

The student will:Define Solubility as a

Characteristic Property of MatterConstruct a solubility graphMake a scatter plot and

accurately determine the “Line of Best Fit”

Page 3: Notes gb lab 11 disappearing powde investigating solubility

SolventSoluteSolubilityMixtureSolutionSaturation Point

Page 4: Notes gb lab 11 disappearing powde investigating solubility

The liquid component of a solution (water when testing solubility) it can be any liquid

Page 5: Notes gb lab 11 disappearing powde investigating solubility

The solid component of a solution, this dissolves into the solution ▪ Salt into water

(saltwater)

Page 6: Notes gb lab 11 disappearing powde investigating solubility

A characteristic property of matter expressed as the maximum number of grams of a solute that will dissolve into 100 mL of a solvent at a specified temperature

Page 7: Notes gb lab 11 disappearing powde investigating solubility

The combination of two or more substances that are not chemically combined.

Page 8: Notes gb lab 11 disappearing powde investigating solubility

Characteristics:▪ Easily separated by:▪Using a Filter▪Evaporation▪ Two Classifications▪Homogeneous – Look the same

throughout▪Heterogeneous – Different compounds

in the mixture can easily be seen

Page 9: Notes gb lab 11 disappearing powde investigating solubility

A Homogeneous mixture when a solute(solid) is completely dissolved in a solvent (liquid) All particles of each

(Solute and Solvent) are evenly distributed throughout the solution.▪ Solids (alloys)▪ Liquids (Lemonade)▪ Gas (air)

Page 10: Notes gb lab 11 disappearing powde investigating solubility

The point where no more solute will dissolve in a solvent Solute settles at

bottom of solution Where the x axis point

and the y axis point intersect is called the “Saturation Point” for a given substance

Page 11: Notes gb lab 11 disappearing powde investigating solubility

Solubility can be used to identify substances.

The point at which the maximum amount of a solute dissolves in a solvent is called the saturation pointWhere x intersects y on the graph

Page 12: Notes gb lab 11 disappearing powde investigating solubility

Solubility can be used to identify substances.Total saturation is when solute

settles at the bottom of a solution

Page 13: Notes gb lab 11 disappearing powde investigating solubility

Solubility can be used to identify substances.Over saturation is when more

solute dissolves than would at room temperature▪Super sweet Mc D’s Ice Tea

Page 14: Notes gb lab 11 disappearing powde investigating solubility

Solubility can be used to identify substances.The more surface area a solute

has the easier it dissolves into a solvent

Page 15: Notes gb lab 11 disappearing powde investigating solubility

Solubility can be used to identify substances.Surface area can be increased

by crushing a solute into smaller pieces

Page 16: Notes gb lab 11 disappearing powde investigating solubility

Remember:Best ways to increase rate a

solute dissolves▪Increase surface area▪Surface area can be increased by crushing a solute into smaller pieces

Page 17: Notes gb lab 11 disappearing powde investigating solubility

Remember:Best ways to increase rate a

solute dissolves▪Increasing temperature

Page 18: Notes gb lab 11 disappearing powde investigating solubility

Remember:Best ways to increase rate a

solute dissolves▪Increase rate of mixing

(stirring)

Page 19: Notes gb lab 11 disappearing powde investigating solubility

Fin