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U-10
OBSERVATIONS SHEET - EXPERIMENT U
BONDING AND CHEMICAL PROPERTIES
Part I:
Extent of Ionization (Record the colors of the aqueous and dichloromethane layers.)
A.
Solubility of NaCl:
B.
Solubility of Br2 and I2:
Table to Summarize the Conductivity Observations:
Use the words, "no light, faint, moderate light and bright" to describe the result for each of
your solutions:
Solution
Well number
Color of
Solution
Light
Brightness
NaCl in water
B1
NaCl in dichloromethane
B4
dichloromethane from tube A
C1
water from tube B
C4
bromine in dichloromethane
D1
iodine in dichloromethane
D4
bromine in water
D2
iodine in water
D3
pure deionized water
A 1
sucrose in water
A2
acetic acid in water
A3
hydrochloric acid in water
A4
pure dichloromethane
D5
Signature of Laboratory Instructor
Name of Student
Laboratory Section
