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C-13
C. Describe the CdCl
2 (s)
samples
a)
in the sealed container:
b)
in the open container:
D.
Describe the CaCl
2(s)
samples
a)
in the sealed container:
b)
in the open container:
Part III.
Unknown Sample Code:
i) Anion analysis: (include observations and conclusion only for the tests performed)
reagent(s)
added
observations
conclusion
Test A1
1 mL 6.0M HCl
Test A2
1 mL 6.0M HCl(aq)
+ 1 mL 6.0M BaCl2(aq)
Test A3
6 drops AgNO3(aq)
+ 1 drop 6.0M HNO3
ii) Cation analysis: (include observations and conclusion only for the tests performed)
reagent(s)
added
observations
conclusion
Test B 1
Note color of solution of the
unknown hydrate(fresh sample)
(a)
3 drops of 1.0 M NaOH
Test B2
(b)
~ 2mL of 1.0 M NaOH added
to solution in B2 (a)
Test B 3
additon of 1-2 drops 1.0 M
H2SO
4
(fresh sample)
Test B 4
Flame Test
Ions identified:
Cation:
Anion:
Anhydrous salt:
ASSESSMENT
Performance
(1.0 mark):
Identification of Ions
(2.0 marks):
Mass Percent of Water
(2.0 marks):
Laboratory Quiz
(5.0 marks):
Deductions
(if any):
TOTAL
(10.0 marks)
