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26. Consider a solution containing 3.28 mM of an analyte, X, and 1.17 mM of a...
Consider a solution containing 4.69 mM of an analyte, X, and 1.22 mM of a standard,...
Consider a solution containing 4.69 mM of an analyte, X, and 1.22 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3793 and 10323, respectively. Determine the response factor for X relative to S. F = To determine the concentration of X in an unknown solution, 1.00 mL of 8.70 mM S was added to 3.00 mL of the unknown X solution and the mixture was diluted to 10.0 mL. After...
A solution contains 4.96 mM of an analyte, X, and 1.81 mM of a standard, S....
A solution contains 4.96 mM of an analyte, X, and 1.81 mM of a standard, S. Upon chromatographic separation of the solution, peak areas for X and S are 3189 and 10239, respectively. Determine the response factor for X relative to S. To determine the concentration of X in an unknown solution, 1.00 mL of 8.10 mM S was added to 3.00 mL of the unknown X solution and the mixture was diluted to 10.0 mL. After chromatographic separation, this...
5-29. A solution containing 3.47 mM X (analyte) and 1.72 mM S (standard) gave peak areas...
5-29. A solution containing 3.47 mM X (analyte) and 1.72 mM S (standard) gave peak areas of 3 473 and 10 222, respectively, in a chromatographic analysis. Then 1.00 mL of 8.47 mM S was added to 5.00 mL of unknown X, and the mixture was diluted to 10.0 mL This solution gave peak areas of 5 428 and 4 431 for X and S respectively (a) Calculate the response factor for the analyte (b) Find the concentration of S...
A solution containing 3.47 mM X (analyte) and 1.72 mM S (Standard) gave peak areas of...
A solution containing 3.47 mM X (analyte) and 1.72 mM S (Standard) gave peak areas of 3.473 and 10222, respectively, in a chromatographic analysis. Then 1mL of 8.47 mM S was added to 5mL of unknown X, and the mixture was diluted to 10mL. This solution gave a peak areas of 5,428 and 4,431 for X and S, respectively. a.) Calculate the response factor for the analyte. b.) Find the concentration of S (mM) in the 10mL mixture. c.) Find...
This question applies to the separation of a solution containing pentanol (MM 88.15 g/mol) and 2,3-dimethyl-2-butanol...
This question applies to the separation of a solution containing pentanol (MM 88.15 g/mol) and 2,3-dimethyl-2-butanol (MM 102.17 g/mol). Pentanol is the internal standard. Separation of a standard solution containing 225 mg of pentanol and 233 mg of 2,3-dimethyl-2-butanol in 10.0 mL of solution led to a pentanol:2,3-dimethyl-2-butanol relative peak area ratio of 0.913:1.00. Calculate the response factor, F, for 2,3-dimethyl-2-butanol. F= Calculate the areas for pentanol and 2,3-dimethyl-2-butanol gas chromatogram peaks in an unknown solution. For pentanol, the peak...
This question applies to the separation of a solution containing pentanol (MM 88.15 g/mol) and 2,3-dimethyl-2-butanol...
This question applies to the separation of a solution containing pentanol (MM 88.15 g/mol) and 2,3-dimethyl-2-butanol (MM 102.17 g/mol). Pentanol is the internal standard. Separation of a standard solution containing 211 mg of pentanol and 255 mg of 2,3-dimethyl-2-butanol in 10.0 mL of solution led to a pentanol:2,3-dimethyl-2-butanol relative peak area ratio of 0.889:1.00. Calculate the response factor, F. for 2,3-dimethyl-2-butanol. F- Calculate the areas for pentanol and 2.3-dimethyl-2-butanol gas chromatogram peaks in an unknown solution. For pentanol, the peak...
A researcher was attempting to quantify the amount of dichlorodiphenyltrichloroethane (DDT) in spinach using gas chromatography...
A researcher was attempting to quantify the amount of dichlorodiphenyltrichloroethane (DDT) in spinach using gas chromatography mass spectrometry (GCMS). First attempts using external calibration proved difficult, as reproducibility and external standard agreement were poor. To overcome these problems, the researcher used the internal standard calibration method with chloroform as the internal standard. To begin, the researcher analyzed a sample containing 5.43 mg/L DDT standard and 3.07 mg/L chloroform as the internal standard, which produced peak areas of 4197 and 9861...
-26 Problem # 3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x...
-26 Problem # 3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x 10 kg. a) In CO the l = 0 to l = 1 rotational absorption line occurs at a wavelength of 2.6 mm (or frequency f= 1.15 x 104 Hz). What is the bond length R (or equilibrium distance between the 2 atoms) of the CO molecule? b) When CO is dissolved in liquid carbon tetrachloride, infrared radiation of wavelength 4.67 um (or frequency...
Problem # 3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x 10-26...
Problem # 3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x 10-26 kg. a) In CO the l = 0 to l = 1 rotational absorption line occurs at a wavelength of 2.6 mm (or frequency f = 1.15 x 1011 Hz). What is the bond length R (or equilibrium distance between the 2 atoms) of the CO molecule? b) When CO is dissolved in liquid carbon tetrachloride, infrared radiation of wavelength 4.67 μm (or frequency...
-26 Problem #3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x 10kg....
-26 Problem #3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x 10kg. a) In Co the l = 0 to l = 1 rotational absorption line occurs at a wavelength of 2.6 mm (or frequency f = 1.15 x 10^1 Hz). What is the bond length R (or equilibrium distance between the 2 atoms) of the CO molecule? b) When CO is dissolved in liquid carbon tetrachloride, infrared radiation of wavelength 4.67 um (or frequency f...
Consider a solution containing 4.69 mM of an analyte, X, and 1.22 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3793 and 10323, respectively. Determine the response factor for X relative to S. F = To determine the concentration of X in an unknown solution, 1.00 mL of 8.70 mM S was added to 3.00 mL of the unknown X solution and the mixture was diluted to 10.0 mL. After...
A solution contains 4.96 mM of an analyte, X, and 1.81 mM of a standard, S. Upon chromatographic separation of the solution, peak areas for X and S are 3189 and 10239, respectively. Determine the response factor for X relative to S. To determine the concentration of X in an unknown solution, 1.00 mL of 8.10 mM S was added to 3.00 mL of the unknown X solution and the mixture was diluted to 10.0 mL. After chromatographic separation, this...
5-29. A solution containing 3.47 mM X (analyte) and 1.72 mM S (standard) gave peak areas of 3 473 and 10 222, respectively, in a chromatographic analysis. Then 1.00 mL of 8.47 mM S was added to 5.00 mL of unknown X, and the mixture was diluted to 10.0 mL This solution gave peak areas of 5 428 and 4 431 for X and S respectively (a) Calculate the response factor for the analyte (b) Find the concentration of S...
This question applies to the separation of a solution containing pentanol (MM 88.15 g/mol) and 2,3-dimethyl-2-butanol (MM 102.17 g/mol). Pentanol is the internal standard. Separation of a standard solution containing 225 mg of pentanol and 233 mg of 2,3-dimethyl-2-butanol in 10.0 mL of solution led to a pentanol:2,3-dimethyl-2-butanol relative peak area ratio of 0.913:1.00. Calculate the response factor, F, for 2,3-dimethyl-2-butanol. F= Calculate the areas for pentanol and 2,3-dimethyl-2-butanol gas chromatogram peaks in an unknown solution. For pentanol, the peak...
This question applies to the separation of a solution containing pentanol (MM 88.15 g/mol) and 2,3-dimethyl-2-butanol (MM 102.17 g/mol). Pentanol is the internal standard. Separation of a standard solution containing 211 mg of pentanol and 255 mg of 2,3-dimethyl-2-butanol in 10.0 mL of solution led to a pentanol:2,3-dimethyl-2-butanol relative peak area ratio of 0.889:1.00. Calculate the response factor, F. for 2,3-dimethyl-2-butanol. F- Calculate the areas for pentanol and 2.3-dimethyl-2-butanol gas chromatogram peaks in an unknown solution. For pentanol, the peak...
A researcher was attempting to quantify the amount of dichlorodiphenyltrichloroethane (DDT) in spinach using gas chromatography mass spectrometry (GCMS). First attempts using external calibration proved difficult, as reproducibility and external standard agreement were poor. To overcome these problems, the researcher used the internal standard calibration method with chloroform as the internal standard. To begin, the researcher analyzed a sample containing 5.43 mg/L DDT standard and 3.07 mg/L chloroform as the internal standard, which produced peak areas of 4197 and 9861...
-26 Problem # 3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x 10 kg. a) In CO the l = 0 to l = 1 rotational absorption line occurs at a wavelength of 2.6 mm (or frequency f= 1.15 x 104 Hz). What is the bond length R (or equilibrium distance between the 2 atoms) of the CO molecule? b) When CO is dissolved in liquid carbon tetrachloride, infrared radiation of wavelength 4.67 um (or frequency...
-26 Problem #3 (15 points) Consider a CO molecule. The reduced mass is 1.14 x 10kg. a) In Co the l = 0 to l = 1 rotational absorption line occurs at a wavelength of 2.6 mm (or frequency f = 1.15 x 10^1 Hz). What is the bond length R (or equilibrium distance between the 2 atoms) of the CO molecule? b) When CO is dissolved in liquid carbon tetrachloride, infrared radiation of wavelength 4.67 um (or frequency f...
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