compounds ionized by nitrogen and phosphorous containing compounds UV radiation sulfur or nitrogen containing compounds hydrocarbons Answer Bank thermionic electrolytic conductivity flame ionization halogenated compounds thermal conductivity photoionization mass spectrometer electron capture

Q: A chromatographic procedure separates 2.0 mg of sample on a 4.6 i.d. x 150 mm column with a flow…

A: Column chromatography is a separation technique used for the separation and purification of…

Q: Consider the structure of testosterone to identify the best suitable quantitative analysis for…

A: The steroid hormone testosterone is very significant. Total testosterone levels in healthy,…

Q: Suppose that a lead determination has a standard deviation of 3 mg. If the sample has a mean value…

A: To find out CV means coefficient of variation, we need to use the new mean value and given standard…

Q: Identify whether the following are examples of systematic or random error or are mistakes: a. Using…

A: The random error causes one measurement to differ slightly from the next. It comes from…

Q: Consider the following SAS data and formula. Volume of sample at $1%: 50.2 ml 51% = 55% 52% = 70%…

A: volume of SAS needed can be calculated using given formula. Volume of SAS =[ [(volume of sample at…

Q: A titrimetric method for the determination of calcium in limestone was tested with the analysis of a…

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Q: A solution containing 2.30 mM of X (analyte) and 1.15 mM of S (standard) gave peak areas of 1728 and…

A: Given,   known Amount of X = 2.30 mM, amount of S = 1.15 mM  Peak area of X is 1728 and that of S is…

Q: Molarity trail 1 0.0366 trail 2 0.0373 trail 3 0.0370 Calculate the standard deviation.  Calculate…

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Q: II. b) What is the difference between liquid-liquid, solid-liquid and solid-phase extraction?…

A: We need to differentiate between liquid-liquid, solid-liquid and solid-phase extraction.

Q: Dr. Caras was characterizing a cytochrome (an iron containing protein) from a new strain of…

A: First calculate mean (μ) of 8 measurements. Sum of all measurements = 2.5719 Mean of all…

Q: Normality of a solution was determined by five different titrations. The results were 9.5  mL, 8.5…

A: Mean -  Is the arithmetic average of a set of given number.

Q: In spectrophotometry, does the sample tested contain the allowable concentration of Allura red as…

A: ✓Allura red occurs as a red-brown powder or granule. ✓It can be used for coloring food, drugs, and…

Q: A group of students titrate a calcium carbonate standard solution repeatedly in five experimental…

A: Average concentration = 80.5 ppm Standard deviation = 0.5 ppm Confidence interval = 95% Number of…

Q: A powder was prepared containing 3.00% NaCN and 97.00% NaCl. A sample obtained from that mixture…

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Q: The paper used in chromatography is made of molecules with___parts A polar  B nonpolar

A: The  paper used in chromatography is made of cellulose fibre molecules.

Q: Which type of chromatography is most useful for determining the concentrations of minerals in…

A: When it comes to analyzing the mineral content in water, certain analytical methods are more…

Q: You are trying to determine the caffeine content of brand X coffee using HPLC-UV/VIS analysis. You…

A: Mean is the average of the numbers, i.e., add up all the numbers, then divide by how manynumbers…

Q: standard deviation

A: If there is two results having standard deviation Sa and Sb. Therefore standard deviation indicate…

Q: A) 24 B) 20 25 D) 28 E) 21 ice ele SO, and then draw the corresponding Lewis structure (by following…

A: The number of valence electrons in SO3 is

Q: Group

A: Dear student I have given answer to your question in the image format.

Q: A method for the detection of morphine is used to generate a calibration curve in which the assay…

A: The explanation is given below-

Q: Chromatography can be used as a means to purify a reaction product or to analyze a reaction mixture.…

A: Chromatography is a widely used technique for separation of mixture, it is a technique used for…

Q: The following experimental data was collected by a student: 0.0020 M Fe(NO3)3 mL Trial 1 2 3 4 Blank…

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Q: For a concentration technique, Stotal is given as 19.31 ± 0.035, Smb is 0.22 ± 0.008, and kA is…

A: We will choose the false statement answer for the above question.

Q: ) A 0.70 μL sample of an equal volume mixture of 2-pentanone and 1-nitropropane is injected into a…

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Q: A 2.0 g of MgCO3 was dissolved and diluted to exactly 500-mL volumetric  flask. If 50-mL aliquot was…

A: Mass of MgCO3 = 2g Mol. Mass of MgCO3 = 84g/mol Volume of dilution = 500ml Volume of aliquot = 50ml…

Q: In three sentences, describe the principle of chromatography.

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Q: Gas Chromatography can have which of the following stationery phases and/or mobile phases: O A…

A: In gas chromatography there are two phases , stationary phase and mobile phase .  Mobile phase is…

Q: The spectroscopic data in the table is generated with five solutions of known concentration.…

A: According to Lambert-Beer's law, the absorbance of the solution is directly proportional to the path…

Q: Given below is a diagram of separation of two components of a mixture in a chromatographic column.…

A: Given above is a diagram of separation of two components of a mixture in a chromatographic column.…

Q: Given the following spectrophotometric data, what is the concentration of the sample? Concentration,…

A: Here we are required to find the concentration of the sample from the absorbance concentration plot

Q: A student was given a stock ascorbic acid solution of 2.323 mg/L. Following the directions in the…

A: Concentration of stock ascorbic acid solution = 2.323 mg/L

Q: ras was characterizing a cytochrome (an iron containing protein) from a new strain of bacteria. He…

A: Given that :The % of iron in the protein for the eight measurements are given as :0.4908, 0.4902,…

Q: What is the role of helium gas in gas chromatography? O stationary phase O It does not play a role…

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Q: A student performed chromatography on a mixture of benzoic acid (C₂H5CO₂H), acetophenone…

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Q: In the determination of the concentration of chloride ion in water five experiments were done: 254.3…

A: Given,  Concentration of chloride ion in water five experiments were: 254.3 ppm, 254.7 ppm, 249.9…

Q: A sample containing an unknown quantity of cadmium in a water sample gave a reading of 1.4 in an…

A: Given data: Reading for unknown water sample = 1.4, Concentration of known sample = 2 ppm, Reading…

Q: ntify the false statement about chromatography. The mobile phase is a liquid or gas in which…

A: Chromatography is a technique for the separation of a mixture into its components. There are two…

Q: 9) The following results were obtained in the determination of Vitamin E mass in tablet samples.…

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Q: Paper chromatography is a simple but reliable method forseparating a mixture into its constituent…

A: a. In the first diagram we see that there is no separation at all but the second diagram has clear…

Q: young researcher was evaluating a standard method for determining the methylmercury content in blue…

A: The expression of number of replicate is shown below: No. of replicate = Zα/2E×σ2 where; σ =…

Q: Can a gas chromatograph (GC) separate mixtures of sodium ethoxide and sodium benzoate? Explain your…

A: Gas chromatography: Principle of gas chromatography: Gas chromatography used to separate the gas…

Q: The following questions regard the chromatograms shown below: Which column gives a greater…

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Q: You have obtained a gas chromatogram of a two component mixture of compounds A and B. The height of…

A: Given,Height of peak A = 3.84 cmWidth of A at half height = 1 cmHeight of peak B = 3.49 cmWidth of B…