Data Table for Part IMass of unknown used: 2.45g(. ११५(629Mass of dry filter paper and strontium carbonate (SRCO3):Mass of empty filter paper (after folding and tearing):1.37 g9.Mass of strontium carbonate obtained:Data Table for Part II29.2726.14g3.13g28.02gMass of crucible, lid and unknown sample:Mass of empty crucible and lid:Mass of unknown sample used:Mass of crucible, lid and contents after first heating:28.029Mass of crucible, lid and contents after second heating:Mass of crucible, lid and contents after third heating(if necessary):Mass of crucible, lid and contents after fourth heating(if necessary):28.02926.149Final mass of crucible, lid and contents after heating:Mass of empty crucible and lid (from above):1.88.93.139Mass of residue after water loss:Mass of original unknown (from above):Mass of water contained in unknown sample: 2. Using your data from Part II of the experiment, determine the percent water inthe original unknown. Show your work.

Answered: Image /qna-images/answer/aebfbb39-452f-40a5-a41c-52835de46fb6.jpg

Answered: 2. Using your data from Part II of the…

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2. Using your data from Part II of the experiment, determine the percent water in the original unknown. Show your work.

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter3: Composition Of Substances And Solutions

Section: Chapter Questions

Problem 36E: Determine the percent water in CuSO45H2O to three significant figures.

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Question

Data Table for Part I
Mass of unknown used: 2.45g
(. ११५
(629
Mass of dry filter paper and strontium carbonate (SRCO3):
Mass of empty filter paper (after folding and tearing):
1.37 g
9.
Mass of strontium carbonate obtained:
Data Table for Part II
29.27
26.14g
3.13g
28.02g
Mass of crucible, lid and unknown sample:
Mass of empty crucible and lid:
Mass of unknown sample used:
Mass of crucible, lid and contents after first heating:
28.029
Mass of crucible, lid and contents after second heating:
Mass of crucible, lid and contents after third heating
(if necessary):
Mass of crucible, lid and contents after fourth heating
(if necessary):
28.029
26.149
Final mass of crucible, lid and contents after heating:
Mass of empty crucible and lid (from above):
1.88.9
3.139
Mass of residue after water loss:
Mass of original unknown (from above):
Mass of water contained in unknown sample:

2. Using your data from Part II of the experiment, determine the percent water in
the original unknown. Show your work.

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