Results:Trial 1Trial 21-Mass of empty evaporating dish55.312 g55.315 g2- Mass of evaporating dish + MgSO4.nH2O3-Mass of evaporating containing the salt afterheating56.619 g56.448 g55.889 g56.018 g4-Mass of MgS04 (line3 - line1)5- Moles of MgSO46- Mass of nH20 (line2- line3)7- Moles of H208-n= Mole ratio: moles of H20/Moles of MgSO4(line7/ line5)Average value of n ( as a decimal):Rounded average value of n:Formula of Magnesium sulfate hydrate:Calculations:

The mass of MgSO4 can be calculated by subtracting the mass of empty evaporating dish from the mass…

Trial 1 Trial 2 1-Mass of empty evaporating dish 55.312 g 55.315 g 56.619 g 56.018 g 56.448 g 2- Mass of evaporating dish + MgSO4.nH2O 3-Mass of evaporating containing the salt after heating 4-Mass of MgS04 (line3 - line1) 55.889 g 5- Moles of MgSO4 6- Mass of nH20 (line2- line3) 7- Moles of H2O 8-n= Mole ratio: moles of H2O/Moles of MgSO4 (line7/ line5) Average value of n ( as a decimal): Rounded average value of n: Formula of Magnesium sulfate hydrate:

Trial 1 Trial 2 1-Mass of empty evaporating dish 55.312 g 55.315 g 56.619 g 56.018 g 56.448 g 2- Mass of evaporating dish + MgSO4.nH2O 3-Mass of evaporating containing the salt after heating 4-Mass of MgS04 (line3 - line1) 55.889 g 5- Moles of MgSO4 6- Mass of nH20 (line2- line3) 7- Moles of H2O 8-n= Mole ratio: moles of H2O/Moles of MgSO4 (line7/ line5) Average value of n ( as a decimal): Rounded average value of n: Formula of Magnesium sulfate hydrate:

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter7: Statistical Data Treatment And Evaluation

Section: Chapter Questions

Problem 7.24QAP

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