Recent questions in Chemistry

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Identify the functional group(s) present in a given compound using infrared spectroscopy and explain how you arrived at your conclusion using the generated spectra.

asked Jan 30 in Analytical Chemistry by CollinByrd4 (1.4k points)

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1 answer 67 views

Identify the functional group present in an unknown compound using UV-Vis spectroscopy and provide a detailed explanation of the absorption band observed in the spectrum.

asked Jan 30 in Analytical Chemistry by JulianaKane (2.2k points)

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Identify the compound with the molecular formula C10H12O by interpreting its proton NMR spectrum.

asked Jan 30 in Analytical Chemistry by 540252730007 (1.9k points)

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1 answer 95 views

Identify an unknown organic compound using mass spectrometry. Provide a detailed analysis of its molecular formula, functional groups, and possible chemical structure.

asked Jan 30 in Analytical Chemistry by EmileR968610 (2.0k points)

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1 answer 110 views

How would you determine the concentration of chloride ions in a sample of seawater using an ion-selective electrode?

asked Jan 30 in Analytical Chemistry by IFYRussel191 (2.2k points)

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1 answer 63 views

How would you calculate the mass of zinc in a 1.000 g sample of a brass alloy using gravimetric analysis?

asked Jan 30 in Analytical Chemistry by StanleySparr (1.3k points)

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1 answer 95 views

How to quantify the concentration of copper (II) ions in a sample of water using colorimetry?

asked Jan 30 in Analytical Chemistry by KitRatley759 (1.9k points)

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1 answer 129 views

How to identify the presence of lead and cadmium in a soil sample using X-ray fluorescence spectroscopy?

asked Jan 30 in Analytical Chemistry by WhitneyCarey (1.8k points)

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1 answer 101 views

How to identify the presence of carbonyl functional groups in a given unknown organic compound using infrared spectroscopy?

asked Jan 30 in Analytical Chemistry by GustavoPonti (1.6k points)

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1 answer 79 views

How to determine the exact concentration of various cations and anions present in a given sample using capillary electrophoresis and what factors affect the separation and detection of these ions during the analysis?

asked Jan 30 in Analytical Chemistry by KassieStarns (2.3k points)

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1 answer 88 views

How to determine the concentration of hydrochloric acid in a given sample using potentiometry?

asked Jan 30 in Analytical Chemistry by DanielPidgeo (2.1k points)

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1 answer 86 views

How to determine the concentration of different ionic species present in a sample using capillary electrophoresis?

asked Jan 30 in Analytical Chemistry by AndreasLdp14 (1.7k points)

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1 answer 93 views

How to determine the concentration of chloride ions in a given solution using an ion-selective electrode?

asked Jan 30 in Analytical Chemistry by Maura45O7086 (2.5k points)

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1 answer 99 views

How to determine the concentration of chloride ions (Cl-) in a given solution using an ion-selective electrode?

asked Jan 30 in Analytical Chemistry by CandyMusquit (1.8k points)

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1 answer 89 views

How much sodium chloride (NaCl) can be obtained from a sample of 5 grams of sea salt, given that the percentage of NaCl in the sample is 85% and gravimetric analysis is being used for the quantification?

asked Jan 30 in Analytical Chemistry by SylviaPettey (2.4k points)

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1 answer 107 views

How much lead is present in a water sample collected from a local river using atomic absorption spectroscopy?

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

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1 answer 103 views

How much chloride ion (Cl-) is present in a 75 mL sample of a solution with an unknown concentration of sodium chloride (NaCl) using a potentiometric titration with 0.1 M silver nitrate (AgNO3) solution and a silver-silver chloride (Ag/AgCl) reference electrode?

asked Jan 30 in Analytical Chemistry by Chantal75798 (1.9k points)

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1 answer 65 views

How many moles of hydrochloric acid are present in a solution of 50 mL of 0.1M NaOH when titrated with 0.1M HCl solution?

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

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1 answer 121 views

How many moles of copper (Cu) are present in a sample weighing 0.250 g when 10.0 coulombs of electricity is passed through it during the coulometric titration process? The electrode used was a copper electrode, and the atomic weight of copper is 63.55 g/mol.

asked Jan 30 in Analytical Chemistry by Tyler10U150 (2.4k points)

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1 answer 98 views

How many moles of copper (Cu) are present in a sample that requires 4000 coulombs of electricity to be completely oxidized in a coulometric analysis?

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

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