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...
Related questions
Question
I'm just asking about 2 and 3 but I assume you need the web to answer them.

Transcribed Image Text:Write the proce
step
by each
Flame test color:
gren
ved
yellowforuge
blue violet
K+
Ba2+
Sr2+
Na+
Flame test color (through cobalt glass):
Ba?+ Llu/gvein
Sr²+ _ }umple
color lers
Sr2+
Na+
K+
Ba, Sr2+
NaOH
iglo
10
Na", K", NH.
NHA"
+4
h ot onab be frn A
a od banno
alb di
(NH4)2CO3
(NH3/NH,CI)
K2CrO4
NH,C2H02
HC2H3O2
Na;Co(NO2)6
Ba2, Sr 24
Kg Co (NO26
3 Fiaup + COLNO)cag>->
BaCrO4s)
2+
Ba
KCrO4
YES
NH,C2H3O2
Ba2+
present?
2+
(NH)2CO3
NO
Bacr O4cs)
(NH3)
HC,H;O2
SrZt
Cag)
Sr CO3 cs)
(NH4)2GO4
(NH4)2SO4
Cz04°
2-
2+
cag>
2-
cay)
caq> + 804
(ag) Sr804(s)

Transcribed Image Text:184
Qualitative Analysis: Group III
Tolon
1259 0m
3. A student treated the decantate from first step of the procedure above with Na,Co(NO2)6 and observed that a precinitate
formed. The student reported K+ to be present in the unknown. Do you agree with this student's conclusion? Why on
why not?
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