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Recent questions in Chemistry
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What is the concentration of fluoride ions present in a sample of drinking water using a fluoride ion-selective electrode?
asked
Jan 30
in
Analytical Chemistry
by
PhilomenaCor
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330
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0
votes
1
answer
98
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What is the concentration of Fe2+ ions in a water sample that has been treated with an iron-reducing bacteria? Use potentiometry to quantify the amount of Fe2+ ions present in the sample.
asked
Jan 30
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Analytical Chemistry
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FernandoTemp
(
350
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0
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1
answer
94
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What is the concentration of Fe2+ ions in a given iron tablet using colorimetry?
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Jan 30
in
Analytical Chemistry
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BennyHarton8
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590
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0
votes
1
answer
111
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What is the concentration of Fe in a given sample of iron ore, using the coulometric titration technique with a standard solution of K2Cr2O7?
asked
Jan 30
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Analytical Chemistry
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DemetriaOhma
(
550
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0
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1
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92
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What is the concentration of each ion present in a mixture of chloride, nitrate, and sulfate ions using capillary electrophoresis?
asked
Jan 30
in
Analytical Chemistry
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Finley23S99
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670
points)
0
votes
1
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74
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What is the concentration of copper sulfate in a solution that has an absorbance of 0.332 at a wavelength of 630 nm, given that the molar absorptivity of copper sulfate is 8.8 x 10^3 L/(mol cm)?
asked
Jan 30
in
Analytical Chemistry
by
CharoletteFa
(
490
points)
0
votes
1
answer
36
views
What is the concentration of copper sulfate in a 50 mL solution if the absorbance measured by a spectrophotometer is found to be 0.450 at a wavelength of 450 nm? The molar absorptivity of copper sulfate at this wavelength is 9.6 x 10^3 L/mol.cm.
asked
Jan 30
in
Analytical Chemistry
by
TomasV603633
(
410
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0
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1
answer
11
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What is the concentration of copper ions present in a sample if the absorbance value is 0.345 and the path length is 1 cm? The molar absorptivity of copper ions is known to be 4.58 x 10^4 L mol^-1 cm^-1 at a wavelength of 600 nm in spectrophotometry.
asked
Jan 30
in
Analytical Chemistry
by
AlphonsoRidd
(
250
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0
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1
answer
66
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What is the concentration of copper ions in a water sample obtained from an abandoned mine using polarographic analysis?
asked
Jan 30
in
Analytical Chemistry
by
MorrisCurran
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370
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1
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50
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What is the concentration of copper ions in a water sample collected from a certain river using the square wave voltammetry method?
asked
Jan 30
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Analytical Chemistry
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IreneHqu7624
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230
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0
votes
1
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80
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What is the concentration of copper ions in a sample solution of known volume using polarography?
asked
Jan 30
in
Analytical Chemistry
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MaryjoSchmit
(
430
points)
0
votes
1
answer
74
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What is the concentration of copper ions in a sample of water collected from a river using voltammetry?
asked
Jan 30
in
Analytical Chemistry
by
AntonettaSei
(
330
points)
0
votes
1
answer
81
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What is the concentration of copper ions in a sample of water collected from a river using colorimetry?
asked
Jan 30
in
Analytical Chemistry
by
DanieleKavel
(
190
points)
0
votes
1
answer
75
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What is the concentration of copper ions in a sample of wastewater collected from a factory using cyclic voltammetry?
asked
Jan 30
in
Analytical Chemistry
by
SabineJoseph
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370
points)
0
votes
1
answer
88
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What is the concentration of copper ions in a given water sample using voltammetry?
asked
Jan 30
in
Analytical Chemistry
by
AureliaSwan
(
630
points)
0
votes
1
answer
74
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What is the concentration of copper ions in a given water sample using polarography?
asked
Jan 30
in
Analytical Chemistry
by
AdaWeddle050
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450
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0
votes
1
answer
73
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What is the concentration of copper ions in a given water sample using polarography analysis?
asked
Jan 30
in
Analytical Chemistry
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ConstanceSib
(
450
points)
0
votes
1
answer
95
views
What is the concentration of copper ions in a given solution, using voltammetry as the quantification method?
asked
Jan 30
in
Analytical Chemistry
by
LeonoreRisch
(
230
points)
0
votes
1
answer
71
views
What is the concentration of copper ions in a given sample using polarography, if the measured peak current is 2.56 μA and the standard potential of the copper ion electrode is +0.34 V (vs. SCE)?
asked
Jan 30
in
Analytical Chemistry
by
LowellGilrea
(
290
points)
0
votes
1
answer
74
views
What is the concentration of copper ions in a given sample of water collected from a river at a specific location using colorimetric analysis?
asked
Jan 30
in
Analytical Chemistry
by
JorgeSimoi9
(
270
points)
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