Recent questions in Analytical Chemistry

0 votes

1 answer 90 views

What is the structure of Compound X? Use nuclear magnetic resonance spectroscopy (NMR) to determine the functional groups present and their respective positions in the molecule.

asked Jan 31 in Analytical Chemistry by MarlaColes2 (2.1k points)

0 votes

1 answer 101 views

Which functional groups are present in compound X as determined by its infrared spectrum, and what structural features of the compound are suggested by the observed IR peaks?

asked Jan 31 in Analytical Chemistry by Candida6637 (1.6k points)

0 votes

1 answer 93 views

What specific functional group is present in compound X as determined by UV-Vis spectroscopy analysis?

asked Jan 31 in Analytical Chemistry by Osvaldo14767 (1.8k points)

0 votes

1 answer 88 views

What is the concentration of lead in a water sample collected from a nearby river using atomic absorption spectroscopy?

asked Jan 31 in Analytical Chemistry by MaricelaBevi (1.9k points)

0 votes

1 answer 105 views

What is the elemental composition in a soil sample collected from a farm field that has been subjected to excessive use of synthetic fertilizers for the past five years? Use the information obtained from the elemental analysis to suggest alternative fertilization techniques that would improve soil health and preserve long-term fertility.

asked Jan 31 in Analytical Chemistry by AliceW140134 (2.0k points)

0 votes

1 answer 86 views

What is the pH of a 0.01 M solution of HCl? Use a pH meter to determine the pH of the solution and explain the procedure you used to obtain the result.

asked Jan 31 in Analytical Chemistry by AleciaAlleyn (1.5k points)

0 votes

1 answer 86 views

What is the pH of a solution that has a hydrogen ion concentration of 0.001 M? Use a pH meter to determine the pH value of the solution.

asked Jan 31 in Analytical Chemistry by CorneliusU11 (1.7k points)

0 votes

1 answer 99 views

What is the purity level of a sample of caffeine obtained from a local vendor? Determine the purity of the sample by taking multiple melting point readings and comparing the results to the literature value of caffeine's melting point.

asked Jan 31 in Analytical Chemistry by LeaDoss42672 (1.8k points)

0 votes

1 answer 79 views

What is the percentage composition of proteins in a sample of blood serum using electrophoresis?

asked Jan 31 in Analytical Chemistry by MargheritaAn (2.0k points)

0 votes

1 answer 83 views

What is the relative percentage composition of a mixture containing benzene, toluene, and xylene using gas chromatography?

asked Jan 31 in Analytical Chemistry by LuzMccrary7 (2.5k points)

0 votes

1 answer 107 views

What is the exact percentage composition of a mixture containing benzene, toluene and xylene using gas chromatography analysis?

asked Jan 31 in Analytical Chemistry by FerminClatte (1.8k points)

0 votes

1 answer 88 views

What is the percentage composition of a mixture of benzene and toluene using gas chromatography?

asked Jan 31 in Analytical Chemistry by CarltonWoote (1.7k points)

0 votes

1 answer 89 views

What is the concentration of lead ions in a water sample collected from a commercial battery manufacturing plant using voltammetry?

asked Jan 31 in Analytical Chemistry by XGJSidney76 (1.4k points)

0 votes

1 answer 32 views

What is the concentration of lead in a soil sample collected from a residential area using X-ray fluorescence spectroscopy?

asked Jan 31 in Analytical Chemistry by AlmedaGooch6 (1.7k points)

0 votes

1 answer 104 views

What is the presence of specific functional groups in Compound X? Provide evidence using UV-Vis spectroscopy analysis.

asked Jan 31 in Analytical Chemistry by CollinByrd4 (1.4k points)

0 votes

1 answer 124 views

What specific functional group is present in a compound if the UV-Vis spectroscopy analysis reveals an absorption peak at 170-180 nm?

asked Jan 31 in Analytical Chemistry by JeroldStonem (1.6k points)

0 votes

1 answer 109 views

What is the concentration of sodium ions in a 0.5M solution of NaCl using a sodium-selective electrode?

asked Jan 30 in Analytical Chemistry by BlondellHock (1.9k points)

+1 vote

1 answer 104 views

What is the concentration of lead (Pb) ions in a sample of a water source using the method of polarography?

asked Jan 30 in Analytical Chemistry by EarnestSprin (1.5k points)

+1 vote

1 answer 92 views

What is the concentration of lead (Pb) ions in a given water sample using voltammetry with a reference electrode?

asked Jan 30 in Analytical Chemistry by ShaneY52932 (2.0k points)

+1 vote

1 answer 109 views

What is the concentration of lead (Pb) in a water sample, in units of micrograms per liter (µg/L), if the atomic absorption spectroscopy analysis showed an absorbance value of 0.456 at a wavelength of 283.3 nm?

asked Jan 30 in Analytical Chemistry by IDQMyles1187 (2.5k points)

Recent questions in Analytical Chemistry

Categories