Name: Section and Group: Date: Stoichiometry of Hydrate Decomposition - Lab Report Pay attention to the number of significant digits in the calculations. Observations Observations of fresh copper(II) sulfate hydrate Observations of heated copper(II) sulfate blue, griny/fng blee fine texture Light gn/gr tre locks lille ch grean ble/gray mted Celer / fine Rxfure poder Trial 1 Trial 2 Data Record 3 decimal places Mass of evaporating dish 51.9179 51.921 Mass fresh copper(II) sulfate hydrate 1,015g -717g Mass of dish and heated 52.561g 52.3709 copper(II) sulfate Calculations Record 3 decimal places Mass heated copper(Il) - 449.9 |59.629/mal 159.62g/md Moles of copper(I) sulfate 4coRlaiotacl_2.81 x10 mel for masses sulfate Molar mass of anhydrous (no water) copper(II) sulfate Record 3 sig figs for calculations (after heating) Mass of water lost (= mass of fresh copper(II) sulfate – mass of heated 3419 371 268 copper(II) sulfate) 18.0Ve glmol 18.016glmdl Molar mass of water -2 Moles of water lost -371 Your ratio: Your ratio: 18-016 Ratio of moles of water/ 5.1l mélll 5.30mel 5-al mel moles of copper(II) sulfate Average ratio:
Name: Section and Group: Date: Stoichiometry of Hydrate Decomposition - Lab Report Pay attention to the number of significant digits in the calculations. Observations Observations of fresh copper(II) sulfate hydrate Observations of heated copper(II) sulfate blue, griny/fng blee fine texture Light gn/gr tre locks lille ch grean ble/gray mted Celer / fine Rxfure poder Trial 1 Trial 2 Data Record 3 decimal places Mass of evaporating dish 51.9179 51.921 Mass fresh copper(II) sulfate hydrate 1,015g -717g Mass of dish and heated 52.561g 52.3709 copper(II) sulfate Calculations Record 3 decimal places Mass heated copper(Il) - 449.9 |59.629/mal 159.62g/md Moles of copper(I) sulfate 4coRlaiotacl_2.81 x10 mel for masses sulfate Molar mass of anhydrous (no water) copper(II) sulfate Record 3 sig figs for calculations (after heating) Mass of water lost (= mass of fresh copper(II) sulfate – mass of heated 3419 371 268 copper(II) sulfate) 18.0Ve glmol 18.016glmdl Molar mass of water -2 Moles of water lost -371 Your ratio: Your ratio: 18-016 Ratio of moles of water/ 5.1l mélll 5.30mel 5-al mel moles of copper(II) sulfate Average ratio:
Chapter12: Gravimetric Methods Of Analysis
Section: Chapter Questions
Problem 12.20QAP
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Can you check to make sure my calculations are according to the data I obtained. Thanks
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