Density and Treatment of Data report - Density and...

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Density and Treatment of DataHoa ChungChemistry 1A Spring 2016 February 11, 2016Objective/PurposeIn this laboratory, we perform three experiments: First, we will determine the density of asolid; second, we will calibrate the volume of a pipette; finally, we use the calibrated pipet todetermine the density of an unknown liquid.TheoreticalAverage=x1+x2+x33Range=W=(xlargestxsmallest)Deviation=δ1xx1Average Deviation=´δ=|δ1|+|δ2|+|δ3|3Standard Deviation=s=δ12+δ22+δ3231Density=mV
Pre-lab Sections:DataTable 1:Determination of the Density of a metalTrial 1Trial 2Trial 3Mass of solid (g)48.505348.508648.5054Volume of water and solid (mL)45.055.565.5Volume of Water (mL)40.050.060.0Volume of Solid (mL)5.005.505.50Density of Solid (g/mL)9.708.828.82Table 2:Calibration of PipetteTrial 1Trial 2Trial 3Mass of flask + H2O(g)57.292767.144677.0554Mass of flask (g)47.342547.344147.3415Mass of H2O (g)9.95029.85039.9134Temperature of water (oC)200CDensity of water at Temp. (oC)0.998203 g/mLVolume of water used (mL)9.96819.86809.9312Average volume of water (mL)9.9224

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Sulfuric acid

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