Compound A Compound B Compound C Rf Student 1 Rf Student 2 Rf Student 3 0.20 0.21 0.15 0.50 0.52 0.44 0.70 0.69 0.63

Q: 15. A chromatography trial is performed on an unknown substance. The d₁ = 9.0 cm, the d2=13.7 cm.…

A: Thin layer chromatography (TLC) is a method of separating components of the mixture. It is based on…

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: P*V (kPa*mL) pente (Ay/Ax) Volume (mL) 1/Pression (kPa^-1) Pression ( kPa ) 0.010343123 96.6826…

A: Percent error is the difference between the expected value and the actual value as compared to the…

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: 5. Here, you can find an example of a paper chromatography experiment. Use the two Chromatograms…

A: Paper chromatography is a analytical Method to separate coloured components. A drop of a mixture…

Q: 2. Several standards were chromatographed, 0.5 1.0 2.0 Conc (ug/ml) Peak area 5.0 10.1 17.2 and the…

A: The graph is to be plot by taking concentration(μg/mL) in X-axis and peak area in Y-axis.

Q: Which are true for paper chromatography? Select the correct response(s): the less polar component…

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Q: Question 5

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Q: Fill in each blank with the correct choice: When comparing two chromatographic methods, the better…

A: The resolution in a chromatographic method depends on two factors such as plate number and plate…

Q: Types of Error; Propagation of Uncertainty from Random Error You prepare an NH3 [FM 17.030 5 (±0.000…

A: Given: NH3 [FM 17.030 5 (±0.000 2)] 7.36 (±0.03) mL of a 28.00 (±0.05) wt% NH3 solution  final…

Q: a. Dotermine the callbration sensitivity of the method. b. Determine the exact LOD (in mg/L) for the…

A: (a) Calibration curve fits into the equation:                                  y = 0.018x + 0.063…

Q: You are measuring the isooctane concentration in a hydrocarbon mixture with a chromatographic…

A: Plot the calibration curve by plotting isooctane concentration on x-axis and peak area on y-axis.

Q: Can you use chromatography to purify a mixture? Why?

A: Chromatography is a process for separating components of a mixture.

Q: Choose the correct statement considering the Avogadro No. estimation: The use of 2mL in measuring…

A: Interpretation -  To choose the correct statement considering the Avogadro number estimation -…

Q: Name three common uses of High Performance Liquid Chromatography (HPLC) in the laboratory.

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Q: Paper chromatography was used to separate the components of a food dye. The food dye separated into…

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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: 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: A solution of HNO3 is standardized by reaction with pure sodium carbonate: 2H* + Na₂CO, 2Na+ H₂O +…

A: Given DataVolume = 28.21 ± 0.04 mL =0.02821± 0.0004 L0.8268 ± 0.0007 g  of Na2CO3, (FM 105.988 ±…

Q: AA (mg/g) UV (ug/ml) Sample (ug/ml) Unknown Fe solution 1 Unknown Fe solution _2 0.322 8.136 0.318…

A: Mean, standard deviations, confidence limit are calculated using respective formulas. We can't use…

Q: An internal standard is incorporated into an analysis method when systematic sources of variation…

A: High-performance liquid chromatography, formerly known as high-pressure liquid chromatography, is a…

Q: Which of the following statements about a gas chromatogram is correct? O Tailing indicates that the…

A: A question based on analytical separations that is to be accomplished.

Q: In spectophotometry, what will happen to the %T if the concentration is doubled?

A: Spectrophotometry is a branch of electromagnetic spectroscopy concerned with the measurement of the…

Q: In thin-layer chromatography, what is the Rf value of a compound if the solute travels 2.9 cm and…

A: Retention factor: The ratio of distance traveled by the substance to the solvent is known as the…

Q: Effect of this error in chromatographic work: Too much sample is applied to the paper.

A: Answer - chromatography - Chromatography is a laboratory technique for the separation of a mixture.…

Q: How does the chromatogram change when methanol:water (90:10) is used as the mobile phase compared to…

A: Mobile phase is the fluid (liquid or gas) that usually flows through the chromatography system. It…

Q: A student developed a new dye called Dye C. It was analyzed against other dyes using paper…

A: The developed chromatogram is:

Q: A solution of HNO, is standardized by reaction with pure sodium carbonate. +2 Na* + H₂O + CO₂…

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Q: The determination of copper in a sca water sample gave a mean value of 77.81 ug/L and a standard…

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Q: hich of the following components cannot be detected by gas chromatography? h) Volatile compounds

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: 2. What are mobile and Stationary phases in a chromatogram? Site their nature.

A: The solution is given below -

Q: Which of the following statements about the mobile phase in Supercritical fluid chromatography (SFC)…

A: Given statement about the mobile phase in SFC are =>  It has solvent properties of a liquid. It…

Q: low much iron ore (that assays at 16.24% Fe) must be used in an analytical procedure that is known…

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Q: 1) To estimate the accuracy and precision of the method of determination of glucose in a blo sample,…

A: Accuracy can be defined as how  close the reading is to actual reading . It can  be measured by…

Q: Chromatography involves the separation of two or more compounds/ions caused by their molecular…

A: Chromatography involves the separation of two or more compounds/ions caused by their molecular…

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: _is a technique which is used to separate a single chemical 3. compound from a mixture dissolved in…

A: Chromatography can be defined as the technique used for separating mixtures with the help of a…

Q: A chromatogram exhibited three peaks for the compounds A, B, and Cat 14.8, 15.5, and 16.2 minutes,…

A: Chromatography is a method by which a mixture is separated by distributing its components between…

Q: M: Table 1: Standardization Data Trial 1 Trial 2 Mass of KHP O145504 0.05ML 04536 12.3 mL Initial…

A: To calculate the Molarity of base, we would first check the mole ratio between base and KHP from the…

Q: 5.) The literature value for the Ksp of lead(II) chromate is 2.8 x 10 13. Calculate the percent…

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Q: 5-16 is my question.

A: Given: The initial volume of juice is 50.0 mL. The volume of standard vitamin c solution is 1.00 mL.…