Notes gb lab 11 disappearing powde investigating solubility
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    Notes gb lab 11 disappearing powde investigating solubility Notes gb lab 11 disappearing powde investigating solubility Presentation Transcript

    • Notes
    • The student will:Define Solubility as aCharacteristic Property of MatterConstruct a solubility graphMake a scatter plot andaccurately determine the “Line ofBest Fit”
    • SolventSoluteSolubilityMixtureSolutionSaturation Point
    • The liquidcomponent ofa solution(water whentestingsolubility) itcan be anyliquid
    • The solidcomponent of asolution, thisdissolves into thesolution▪ Salt into water(saltwater)
    •  A characteristicproperty of matterexpressed as themaximum numberof grams of a solutethat will dissolveinto 100 mL of asolvent at aspecifiedtemperature
    • Thecombinationof two or moresubstancesthat are notchemicallycombined.
    •  Characteristics:▪ Easily separated by:▪Using a Filter▪Evaporation▪ Two Classifications▪Homogeneous – Look the samethroughout▪Heterogeneous – Different compoundsin the mixture can easily be seen
    •  A Homogeneous mixturewhen a solute(solid) iscompletely dissolved in asolvent (liquid) All particles of each(Solute and Solvent)are evenly distributedthroughout thesolution.▪ Solids (alloys)▪ Liquids (Lemonade)▪ Gas (air)
    •  The point where nomore solute willdissolve in a solvent Solute settles atbottom of solution Where the x axis pointand the y axis pointintersect is called the“Saturation Point” fora given substance
    • Solubility can be used to identifysubstances.The point at which the maximumamount of a solute dissolves in asolvent is called the saturationpointWhere x intersects y on the graph
    • Solubility can be used to identifysubstances.Total saturation is when solutesettles at the bottom of asolution
    • Solubility can be used to identifysubstances.Over saturation is when moresolute dissolves than would atroom temperature▪Super sweet Mc D’s IceTea
    • Solubility can be used to identifysubstances.The more surface area a solutehas the easier it dissolves into asolvent
    • Solubility can be used to identifysubstances.Surface area can be increasedby crushing a solute intosmaller pieces
    • Remember:Best ways to increase rate asolute dissolves▪Increase surface area▪Surface area can be increasedby crushing a solute intosmaller pieces
    • Remember:Best ways to increase rate asolute dissolves▪Increasing temperature
    • Remember:Best ways to increase rate asolute dissolves▪Increase rate of mixing(stirring)
    • Fin