Recent questions in Analytical Chemistry

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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 119 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 112 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 137 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 122 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 157 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 81 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 132 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 146 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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1 answer 73 views

How many milligrams of lead are present in a 50 mL water sample with a concentration of 0.05 ppm, determined using atomic absorption spectroscopy with a calibration curve?

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

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1 answer 105 views

How does the detection limit of X-ray fluorescence spectroscopy change with varying concentrations of the element of interest in a sample?

asked Jan 30 in Analytical Chemistry by Lavonda96B02 (2.3k points)

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1 answer 113 views

How does the concentration of copper ions in a given sample of water extracted from a polluted river affect the peak current observed in a cyclic voltammogram using a copper electrode?

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

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1 answer 110 views

How does the concentration of copper in a water sample affect the peak current observed in cyclic voltammetry, and how can this technique be used to determine the concentration of copper in the sample?

asked Jan 30 in Analytical Chemistry by ArronXev3244 (1.7k points)

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1 answer 121 views

How does changing the pH of the buffer solution affect the separation and detection of ionic species during capillary electrophoresis analysis of a given sample?

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

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1 answer 74 views

How do you determine the amount of chlorine present in a water sample using coulometry?

asked Jan 30 in Analytical Chemistry by Lavonda96B02 (2.3k points)

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1 answer 76 views

How do the elemental composition and concentration of a sample of river water vary as a function of distance downstream from a heavily industrialized area? Using elemental analysis techniques, determine the concentrations of at least three common industrial pollutants in the water and investigate their sources.

asked Jan 30 in Analytical Chemistry by EmelyColton2 (1.6k points)

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1 answer 102 views

How do the components of a sample mix affect the separation and resolution of compounds during capillary electrophoresis analysis? Develop a protocol to optimize the separation and resolution of a mixture containing two or more compounds using capillary electrophoresis.

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

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1 answer 73 views

How can you use spectrophotometry to quantify the amount of copper ions in a water sample?

asked Jan 30 in Analytical Chemistry by Indira29O642 (1.7k points)

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1 answer 111 views

How can you use potentiometry to determine the concentration of chloride ions in a seawater sample collected from the Atlantic Ocean off the coast of Miami, Florida? What is the sensitivity of your measurement and how does the measured concentration compare to the typical range for chloride ion concentration in seawater?

asked Jan 30 in Analytical Chemistry by Jeramy48117 (1.9k points)

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1 answer 113 views

How can you identify the presence of nitrate ions in a given solution using ion-selective electrodes and what is the concentration of nitrate ions in the solution?

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

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