Recent questions in Chemistry

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What is the amount of silver ions present in a sample of a 0.500 M silver nitrate solution after the complete electrolysis of 50.0 mL using coulometric titration at a constant current of 2.00 mA for 25.0 minutes?

asked Jan 30 in Analytical Chemistry by MireyaReynol (250 points)

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1 answer 87 views

What is the amount of CuSO4 present in a given sample using coulometry if a constant current of 50 mA is passed through the sample for 30 minutes, and 30.6 mA-h of charge is consumed in the process?

asked Jan 30 in Analytical Chemistry by RonLionel61 (450 points)

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1 answer 78 views

What is the amount of copper sulfate (CuSO4) present in a sample of 5.00 grams of a compound containing only copper sulfate? Use gravimetric analysis to determine the answer.

asked Jan 30 in Analytical Chemistry by SamaraGrimwa (330 points)

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1 answer 76 views

What is the amount of copper present in a 2-g copper wire using coulometry?

asked Jan 30 in Analytical Chemistry by MaryannLovel (290 points)

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1 answer 70 views

What is the amount of copper present in a 0.2500 g sample of a copper salt, if it requires 12500 C of electricity to completely deposit it during coulometric titration?

asked Jan 30 in Analytical Chemistry by IMARosario7 (350 points)

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1 answer 40 views

What is the amount of copper ions present in a sample if 5.25 grams of the sample produces a current of 2.35 A for 2 hours during coulometry analysis? The molar mass of copper is 63.55 g/mol and the sample contains only copper ions.

asked Jan 30 in Analytical Chemistry by SantiagoMoc (230 points)

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1 answer 73 views

What is the amount of copper ions present in a 1.0 mL sample of copper sulfate solution, when a current of 3.0 A for 10 seconds is used for coulometry analysis, assuming 100% efficiency in electrode reactions and a coulombic efficiency of 90%?

asked Jan 30 in Analytical Chemistry by GuillermoJep (410 points)

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1 answer 57 views

What is the amount of copper ions present in a 0.01 M CuSO4 solution that is electrolyzed for 10 minutes using a current of 0.3 A?

asked Jan 30 in Analytical Chemistry by Mavis60N0903 (370 points)

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1 answer 74 views

What is the amount of copper ions in a 0.1 M CuSO4 solution if it takes 10 minutes to completely electrolyze (under constant current of 0.15 A) a 35-mg copper wire which is in contact with the solution?

asked Jan 30 in Analytical Chemistry by AlexandraDun (190 points)

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1 answer 95 views

What is the amount of copper in a sample of copper ore using coulometric titration with a silver anode?

asked Jan 30 in Analytical Chemistry by GrettaFinney (330 points)

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1 answer 81 views

What is the amount of copper in a sample of an unknown compound if 25.0 mL of a 0.050 M EDTA solution is required to titrate a 0.100 g sample of the compound using coulometry?

asked Jan 30 in Analytical Chemistry by JoanKimpton (510 points)

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1 answer 82 views

What is the amount of copper (II) sulfate in a sample of solution if 4.00 coulombs of charge are needed to completely oxidize it at the anode during a coulometric titration? The molarity of the titrant solution is 0.025 M and the volume of the titrant used is 100 mL.

asked Jan 30 in Analytical Chemistry by LydiaS14494 (170 points)

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1 answer 80 views

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 Jan 30 in Analytical Chemistry by CaryLangford (290 points)

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1 answer 86 views

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 Jan 30 in Analytical Chemistry by RussFries886 (590 points)

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1 answer 97 views

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 Jan 30 in Analytical Chemistry by MarylouSoder (290 points)

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1 answer 97 views

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 Jan 30 in Analytical Chemistry by LionelZem632 (430 points)

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1 answer 66 views

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 Jan 30 in Analytical Chemistry by MeaganMcKelv (350 points)

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1 answer 71 views

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 Jan 30 in Analytical Chemistry by JameHumphrie (590 points)

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1 answer 70 views

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

asked Jan 30 in Analytical Chemistry by FlorenceDarn (350 points)

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1 answer 76 views

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

asked Jan 30 in Analytical Chemistry by ThereseClift (310 points)

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