Recent questions in Analytical Chemistry

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What is the amount of copper (Cu) in a sample of brass weighing 10.5 grams, if the sample was dissolved in sulfuric acid and the resulting Cu2+ ions were fully reduced using coulometry, requiring a total charge of 1150 C? (Assume 100% current efficiency and Faraday's constant as 96500 C/mol.)

asked 6 days ago in Analytical Chemistry by MandyBroun87 (430 points)

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What is the amount (in moles) of silver ions present in a 0.1M solution of silver nitrate if 1000 coulombs of charge are needed to completely deposit the silver ions onto an electrode during coulometry?

asked 6 days ago in Analytical Chemistry by NganTyson667 (510 points)

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What is the amount (in moles) of copper ions present in a 500 mL solution of 0.1 M copper sulfate, as determined using coulometry?

asked 6 days ago in Analytical Chemistry by BrittneyStam (550 points)

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What is the amount (in moles) of copper in a 500 mL solution of 0.1 M CuSO4, when the solution is electrolyzed using a current of 2.50 A for 30 minutes? The electrode used for the electrolysis is a copper electrode.

asked 6 days ago in Analytical Chemistry by BlakeHuffman (570 points)

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What is the amount (in moles) of calcium carbonate in a 7.25 g sample of limestone if the gravimetric analysis found that the sample contained 65.2% calcium carbonate?

asked 6 days ago in Analytical Chemistry by NealWooldrid (610 points)

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What is the amount (in grams) of pure calcium carbonate present in a sample of marble weighing 2.151 grams, assuming the marble consists entirely of calcium carbonate and using gravimetric analysis?

asked 6 days ago in Analytical Chemistry by Tayla2535191 (650 points)

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What functional groups are present in the given compound as shown in its infrared spectrum?

asked 6 days ago in Analytical Chemistry by KatriceFairc (430 points)

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What functional groups are present in compound X, as identified by infrared spectroscopy?

asked 6 days ago in Analytical Chemistry by NickolasHarv (390 points)

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What functional groups are present in Compound X, and what are their respective peak frequencies in the infrared (IR) spectrum? Provide a detailed analysis of the IR spectrum of Compound X by interpreting the peak frequencies and intensities of the absorption bands.

asked 6 days ago in Analytical Chemistry by ZYLJade11570 (490 points)

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What functional groups are present in compound X, and what are their respective absorption frequencies in infrared spectroscopy? How can this information be used to determine the identity of compound X?

asked 6 days ago in Analytical Chemistry by AliciaBarta8 (410 points)

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What functional groups are present in Compound X based on the IR spectrum provided? Be sure to identify specific peaks and explain their corresponding functional groups.

asked 6 days ago in Analytical Chemistry by KlausVassall (330 points)

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What functional groups are present in compound X and can they be identified using infrared spectroscopy?

asked 6 days ago in Analytical Chemistry by Catharine458 (550 points)

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What functional groups are present in an unknown organic compound X, and can they be identified using infrared spectroscopy?

asked 6 days ago in Analytical Chemistry by StephanGowin (310 points)

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What functional groups are present in an unknown organic compound with a molecular formula of C6H12O2, as determined by infrared spectroscopy?

asked 6 days ago in Analytical Chemistry by Stephany1695 (430 points)

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What functional groups are present in an unknown compound X based on its infrared spectrum?

asked 6 days ago in Analytical Chemistry by KristinaBett (430 points)

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What functional groups are present in an unknown compound based on the infrared spectrum obtained from infrared spectroscopy analysis?

asked 6 days ago in Analytical Chemistry by HSRZak712052 (690 points)

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What functional groups are present in a given organic compound and how can they be identified using infrared spectroscopy? Provide an experimental procedure and interpretation of the spectra obtained.

asked 6 days ago in Analytical Chemistry by MalcolmBonil (410 points)

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What functional groups are present in a given organic compound and how can they be identified using infrared spectroscopy?

asked 6 days ago in Analytical Chemistry by GMVEnriqueta (350 points)

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What functional group(s) are present in the given compound and at what wavelength do they absorb maximum in UV-Vis spectroscopy?

asked 6 days ago in Analytical Chemistry by curious_george (1.0k points)

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What functional group(s) are present in an unknown compound that has an absorption peak at 1720 cm⁻¹ in its infrared spectrum? How do you interpret this peak to identify the specific type(s) of functional group(s) present in the compound?

asked 6 days ago in Analytical Chemistry by IsabellSchul (490 points)

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