Section 1: Flame test for Na*, K* and Ca* ions. Your conclusion for each test will be that the metal ion of the indicated salt* was present or absent in the sample tested. OPERATION OBSERVATION CONCLUSION NaCl flame test Bright yellow color observed Nat is present KCl flame test Lavender color observed CaCh flame test Uncertain if an oranged red color was observed. Write the ion's formula if it is Flame test for unknown Bright yellow color observed, present. Section 2: Test for Ca* ions. Your conclusion for each test will be that Ca2* was present or absent in the sample tested. In the conclusion box write that Ca* was present or absent. OPERATION OBSERVATION CONCLUSION (NH.)2C2O4 with NaCl Clear solution (NH.)2C2O4 with KCI Clear solution (NH4)2C2O4 with CaCl2 White precipitate (NH.);C2O4 with FeCl3 Clear solution (NH.)2C204 with unknown Clear solution Section 3: Test for Fe* ions. Your conclusion for each test will be that Fe* was present or absent in the sample tested. In the conclusion box write that Fe* was present or absent. OPERATION OBSERVATION CONCLUSION KSCN with NaCl Clear solution KSCN with KCI Clear solution KSCN with CaCl2 Clear solution KSCN with FeCl3 Blood red precipitate KSCN with unknown Clear solution
Section 1: Flame test for Na*, K* and Ca* ions. Your conclusion for each test will be that the metal ion of the indicated salt* was present or absent in the sample tested. OPERATION OBSERVATION CONCLUSION NaCl flame test Bright yellow color observed Nat is present KCl flame test Lavender color observed CaCh flame test Uncertain if an oranged red color was observed. Write the ion's formula if it is Flame test for unknown Bright yellow color observed, present. Section 2: Test for Ca* ions. Your conclusion for each test will be that Ca2* was present or absent in the sample tested. In the conclusion box write that Ca* was present or absent. OPERATION OBSERVATION CONCLUSION (NH.)2C2O4 with NaCl Clear solution (NH.)2C2O4 with KCI Clear solution (NH4)2C2O4 with CaCl2 White precipitate (NH.);C2O4 with FeCl3 Clear solution (NH.)2C204 with unknown Clear solution Section 3: Test for Fe* ions. Your conclusion for each test will be that Fe* was present or absent in the sample tested. In the conclusion box write that Fe* was present or absent. OPERATION OBSERVATION CONCLUSION KSCN with NaCl Clear solution KSCN with KCI Clear solution KSCN with CaCl2 Clear solution KSCN with FeCl3 Blood red precipitate KSCN with unknown Clear solution
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:PART B: ANION TESTS
Section 4: Test for Carbonate (CO ) ions. Your conclusion for each test will be that CO was present
or absent in the sample tested. In the conclusion box write that CO
was present or absent.
OPERATION
OBSERVATION
CONCLUSION
6 M HCl with NazCO3
Bubbling
6 M HCl with NaCl
Clear solution
6 M HCI with NazSO4
Clear solution
6 M HCl with Na;PO4
Clear solution
6 M HCI with unknown
Clear solution
Section 5: Test for Chloride (CI') ions
After HNO; added
AgNO3 with Na2CO; / HNO3
precipitate
Clear solution
AgNO, with NaCl / HNO,
White precipitate
Precipitate stays
AGNO3 with NazSO4/ HNO3
Clear solution
Clear solution
AgNO, with NazPO4/ HNO;
White precipitate
Clear solution
AGNO3 with unknown / HNO3
White precipitate
Clear solution
Section 6: Test for Sulfate (SO²') ions
After HNO3 added
BaCl2 with NazCO;/ HNO;
White precipitate
Clear solution
BaCl2 with NaCl / HNO3
Clear solution
Clear solution
BaClz with Na,SO,/ HNO;
White precipitate
Precipitate stays
BaCl2 with Na,PO4/ HNO,
White precipitate
Clear solution
BaCl2 with unknown/ HNO3
White precipitate
Precipitate stays
Section 7: Test for Phosphate (PO,) ions
(NH.)2MOO4 with Na2CO3
Clear solution
(NH.)2MOO4 with NaCl
Clear solution
(NH.)2M0O4 with Na2SO4
Clear solution
(NH.)2MOO4 with Na,PO4
Yellow precipitate
(NH.)2M004 with unknown
Clear solution
The unknown cation's formula is
The unknown cation's name is
The formula of the unkown salt is
The name of the unkown salt is
Transcribed Image Text:PART A: CATION TESTS
Section 1: Flame test for Na*, K* and Ca* ions. Your conclusion for each test will be that the metal ion of
the indicated salt* was present or absent in the sample tested.
OPERATION
OBSERVATION
CONCLUSION
NaCl flame test
Bright yellow color observed
Nat is present
KCl flame test
Lavender color observed
CaCl, flame test
Uncertain if an oranged red color was observed.
Write the ion's formula if it is
Flame test for unknown
Bright yellow color observed,
present.
Section 2: Test for Ca+ ions. Your conclusion for each test will be that Ca2* was present or absent in the
sample tested. In the conclusion box write that Ca²* was present or absent.
OPERATION
OBSERVATION
CONCLUSION
(NH4)2C2O4 with NaCl
Clear solution
(NH.)2C2O4 with KCI
Clear solution
(NH4)2C2O4 with CaCl2
White precipitate
(NH4)2C2O4 with FeCl3
Clear solution
(NH4)2C2O4 with unknown
Clear solution
Section 3: Test for Fe+ ions. Your conclusion for each test will be that Fet was present or absent in the
sample tested. In the conclusion box write that Fe3* was present or absent.
OPERATION
OBSERVATION
CONCLUSION
KSCN with NaCl
Clear solution
KSCN with KCI
Clear solution
KSCN with CaCl2
Clear solution
KSCN with FeCl3
Blood red precipitate
KSCN with unknown
Clear solution
The unknown cation's formula is
The unknown cation's name is
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