Separation LabSeparation Lab

AgendaAgenda ReviewReview Discuss labDiscuss lab Begin investigationBegin investigation

FF

fluorinefluorine

OO

oxygenoxygen

seleniumselenium

SeSe

NN

nitrogennitrogen

chlorinechlorine

ClCl

SS

sulfursulfur

PP

phosphorusphosphorus

BrBr

brominebromine

strontiumstrontium

SrSr

II

IodineIodine

arsenicarsenic

AsAs

GaGa

galliumgallium

aluminumaluminum

AlAl

What is a mixture?What is a mixture?

Are methods of separation Are methods of separation physical or chemical physical or chemical

changes?changes?

List 3 physical properties List 3 physical properties of table salt.of table salt.

Percent AnalysisPercent Analysis

Date:Date:

Percent CompositionPercent Composition

Mass of partMass of part * 100* 100

Total massTotal mass

Percent ErrorPercent Error

||True - ExperimentalTrue - Experimental| * 100| * 100

TrueTrue

Separation LabSeparation Lab

Date:Date:

Physical Properties Tested Physical Properties Tested PreviouslyPreviously

Physical statePhysical state TextureTexture Color Color OdorOdor Solubility Solubility MagnetismMagnetism

Physical Properties Physical Properties SANDSAND

Grainy solidGrainy solid Insoluble in HInsoluble in H22OO Brown in colorBrown in color

AMMONIUM CHLORIDEAMMONIUM CHLORIDE Powdery white solidPowdery white solid Soluble in waterSoluble in water Sublimes! Sublimes!

• Solid Solid gas gas

SALTSALT Crystalline, solidCrystalline, solid Soluble in HSoluble in H22OO White in colorWhite in color

Methods of Methods of Separation?Separation?

Separation LabSeparation Lab You must not loose any material (Law of You must not loose any material (Law of

Conservation of Mass).Conservation of Mass). Measure out sand, salt and ammonium Measure out sand, salt and ammonium

chloride chloride as directedas directed. . Divide and conquerDivide and conquer No fire alarms!!!No fire alarms!!!

Quantitative LabQuantitative Lab Measure, measure, measure – Be sure it’s Measure, measure, measure – Be sure it’s

cold though!cold though!