Login
Remember
Register
Science Q&A Sarvan.Net
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
About Us
XML Sitemap
Terms of Service
Recent
Hot!
Most votes
Most answers
Most views
Ask a Question
Recent questions
0
votes
1
answer
64
views
What is the concentration of iron (Fe) in a given water sample using spectrophotometry?
asked
Jan 30
in
Analytical Chemistry
by
RileyStephen
(
1.8k
points)
+1
vote
1
answer
86
views
What is the concentration of iron (Fe) in a given water sample using spectrophotometry with a known absorbance value of 0.52 and molar absorbivity coefficient of 1.20 x 10^4 M^-1 cm^-1 at a wavelength of 565 nm?
asked
Jan 30
in
Analytical Chemistry
by
SenaidaWhitf
(
2.4k
points)
0
votes
1
answer
75
views
What is the concentration of hydrochloric acid (HCl) in a solution, given that 25 mL of this solution requires 0.10 M sodium hydroxide (NaOH) to reach the equivalence point during a titration?
asked
Jan 30
in
Analytical Chemistry
by
EddieDurack
(
2.2k
points)
0
votes
1
answer
78
views
What is the concentration of hydrochloric acid (HCl) in a solution if it took 25.0 mL of 0.100 M sodium hydroxide (NaOH) to neutralize 30.0 mL of the HCl solution?
asked
Jan 30
in
Analytical Chemistry
by
CesarForlong
(
1.7k
points)
0
votes
1
answer
77
views
What is the concentration of hydrochloric acid (HCl) in a solution if 25mL of 0.1M sodium hydroxide (NaOH) is required to completely neutralize 20mL of the acid?
asked
Jan 30
in
Analytical Chemistry
by
AlineBacon1
(
1.5k
points)
0
votes
1
answer
102
views
What is the concentration of hydrochloric acid (HCl) in a solution if 25 mL of 0.1 M sodium hydroxide (NaOH) was required to neutralize 50 mL of HCl solution using titration technique?
asked
Jan 30
in
Analytical Chemistry
by
IFYRussel191
(
2.2k
points)
0
votes
1
answer
68
views
What is the concentration of hydrochloric acid (HCl) in a 100 mL solution if it requires 50 mL of 0.1 M sodium hydroxide (NaOH) to neutralize it during a titration process?
asked
Jan 30
in
Analytical Chemistry
by
DeangeloMull
(
1.8k
points)
0
votes
1
answer
77
views
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
OlgaMoonligh
(
2.2k
points)
0
votes
1
answer
99
views
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
in
Analytical Chemistry
by
AidanSewell2
(
1.9k
points)
0
votes
1
answer
106
views
What is the concentration of Fe2+ ions in a given iron tablet using colorimetry?
asked
Jan 30
in
Analytical Chemistry
by
BeatriceJ11
(
2.0k
points)
0
votes
1
answer
112
views
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
in
Analytical Chemistry
by
XLNDorris808
(
1.7k
points)
0
votes
1
answer
98
views
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
by
ReinaldoAlng
(
1.8k
points)
0
votes
1
answer
83
views
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
ElenaBranco0
(
2.0k
points)
0
votes
1
answer
38
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
LavadaGerken
(
2.3k
points)
0
votes
1
answer
13
views
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
EvieMerideth
(
2.3k
points)
0
votes
1
answer
72
views
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
AlexK0785479
(
1.8k
points)
0
votes
1
answer
51
views
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
in
Analytical Chemistry
by
MaximoVardon
(
1.9k
points)
0
votes
1
answer
81
views
What is the concentration of copper ions in a sample solution of known volume using polarography?
asked
Jan 30
in
Analytical Chemistry
by
IDQMyles1187
(
2.5k
points)
0
votes
1
answer
75
views
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
JuanitaShear
(
2.4k
points)
0
votes
1
answer
83
views
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
XHQMikel9006
(
2.0k
points)
Page:
« prev
1
...
616
617
618
619
620
621
622
623
624
...
1000
...
next »
36.8k
questions
36.6k
answers
2
comments
7.6k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(14.3k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
Recent questions
36.8k
questions
36.6k
answers
2
comments
7.6k
users
...