Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Research the most common form of the hydrated copper (II) sulphate. How close were my results?
*my results are attached*
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6) Based on this data, determine the chemical formula for the hydrated copper (II) sulphate.
2.44g/159.62 g/mol = 0.0153 mol
0.0153 mol/0.0153 mol-1
0.61 g/18.02g/mol =0.0338 mol
0.0338 mol/0.0153 mol=2.2
CuSO4 2H₂O
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the most common form of the hydrated coppe
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Transcribed Image Text:Safari File Edit View History
W
docs.google.com
Samjhawan (Slowed-Reverb]-Arjit Singh - Yo...
Dear Pakistani YouTubers-YouTube
Fatima Asif-Chemical Formula of a Hydrate La...
Report - Google Docs
6) Based on this data, determine the chemical formula for the hydrated copper (II) sulphate.
2.44g/159.62 g/mol = 0.0153 mol
0.0153 mol/0.0153 mol-1
0.61 g/18.02g/mol =0.0338 mol
0.0338 mol/0.0153 mol=2.2
CuSO4 2H₂O
20
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View History Bookmarks Window Help
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$
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the most common form of the hydrated coppe
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Transcribed Image Text:Analysis Questions
1) Determine the mass of the hydrated copper (II) sulphate.
106.89g- 103.84g-3.05 g
2) Determine the mass of the anhydrous copper (II) sulphate.
106.28g-103.84g-2.44g
3) Determine the mass of the water that was heated off.
3.05g-2.44g-0.61g ..0.61g of water molecules were heated off.
4) Determine the % composition by mass of water in the hydrated copper (II) sulphate.
2.44g CuSO4
2.44g/3.05g x 100%-80% CuSO4
0.61g x H₂O
Sample Size-3.05g
5) Determine the moles of water and anhydrous copper (II) sulphate.
CuSO4= 63.55 g/mol + 32.07g/mol + 4(16g/mol)
=159.62g/mol
2.44/159.62g/mol = 0.0153 mol
0.61g/18.02g/mol = 0.0338 mol
H₂O-18.02 g/mol
n=m/MM
6) Based on this data determine the chemical formula for the bydrated copper (W) sulphate
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:: Mass of CoSO4. xH₂O is 3.05g
Mass of anhydrous CoSO4. xH₂O (COSO4. XOH₂O) is 2.44g
0.61g/3.05g x 100%-20% xH₂O
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