An unknown food dye produced two spots on a chromatogram with Rf values of 0.35 and 0.08. Use the table below to identify the unknown compounds. 2. Which dye had the largest Rf value?  Which one had the smallest? Why?

Q: A student performs this and records the following data from the complted chromatogram. the solvent…

A: The  Rf value is the ratio of distance travelled by the sample (b) to the distance travelled by the…

Q: 4. Use the following TLC plate to answer the questions. a) How many compounds were present in the…

A: Hello. Since the question contains more than three subparts, the first three subparts shall only be…

Q: How to interept this data to match the structure? It gives the peak/PPM and having trouble matching…

A: The given NMR data is needed to be interpreted and the each signal obtained is needed to be assigned…

Q: 3. Using the data at right: a. Calculate the absorbance of each sample. You will need to express the…

A: We need to calculate the absorbance for each standard concentration and then plot the absorbance vs…

Q: How do you call the small peak usually found at the the left of the moelcular ion peak in a mass…

A:

Q: How does chromatography separate the components of leave samples? 2. Can you use chromatography…

A: In a chromatographic system, the sample is transported through the stationary phase by a liquid or…

Q: Crion about Codeine Codeiene I normally found as it's Conjugate acid (call this acid Hood.) ● pka of…

A: Given,  The molarity of Hcod = 0.342 mM.  pKa of the solution = 8.21 The pH of the solution is:

Q: Why is it important for solutions to be diluted before they are run through spectroscopy?

A: In this question, we will discuss about importance of diluted Solution in spectroscopy. You can see…

Q: 6. What causes the components in a mixture to separate in a chromatography experiment?

A: Chromatography is the special type of experimental procedure that can be used for separation of…

Q: Can thin-layer chromatography (TLC) be used to differentiate between two closely related compounds…

A: Introduction: Thin-layer chromatography (TLC) is a powerful separation technique used to distinguish…

Q: order to help identify the things in a chromatogram, you can measure the Rf value for each spot. How…

A: Various techniques are used for the analysis of compounds in chemistry. Chromatography is one of…

Q: molecular ion peak and base peak

A: Mass spectrometry (MS) is an analytical technique that is used to measure the mass-to-charge ratio…

Q: In mass spectrometry, the molecular ion peak occurs at O A. the largest m/z value. O B. the smallest…

A: Here, we have to find where the molecular ion peak occurs in mass spectrometry.

Q: 100 MASS SPECTRUM 80 60 40 20 0.0 10 20 30 40 50 60 m/z NIST Chemistry WebBook…

A: The mass spectrum of the compound is given, it shows different peaks at different values of mz.

Q: Why do we need to cover the beaker with aluminum foil or saran wrap

A:

Q: Identify as many peaks as possible. This is the IR Spectroscopy of an unknown liquid sample.

A: The peaks in the IR spectrum correspond to a particular bond in a molecule. The value in cm-1…

Q: Analyze 3 Major IR peaks. Using 1-2 peaks, justify compunds present.

A: A question based on IR spectroscopy that is to be accomplished.

Q: Column A Cesponse Unretained peaks Compound Y Compound X Time (min) 8 min. Compound Y Column B…

A: We can decide the effectiveness of resolution in column chromatography based on the nature of the…

Q: A researcher is studying cytochrome oxidase, a protein that uses iron to bind diatomic oxygen. She…

A: The most likely source of this vibration is (b) the O-O stretch in FeII-O=O

Q: When LC is coupled with mass spectrometry (MS), what are the advantages (compared to LC only) in…

A: LC-MS is an analytical technique that involves physical separation of target compounds (or analytes)…

Q: 100 80 60 10 20 IT 70 75 10 15 20 25 30 35 40 45 50 55 60 65 Relative Intensty

A: In mass spectrum, compounds will go first through first ionization chamber, in which it is…

Q: calculate Rfs for each spot on your chromatogram

A: Retention factor is equal to the ratio of distance travelled by solute divided by the distance…

Q: D10) 1.Give an advantage and a disadvantage of the spectra obtained from an electron impact (EI)…

A: The mass spectrometer is an analytical technique which is used to quantify known materials, identify…

Q: What is the relative concentration of the second sample?

A: A = ELC  E is absorptivity  L is length  C is concentration   Since substances and equipment are…

Q: Explain why the dye spots are elongated and not round on your chromatogram.

A: The term chromatography or the paper chromatography refers to a technique which is used for the…

Q: What should be done if you got 2 identical Rf values for two samples

A: Identical Rf values for two samples:

Q: Question 7 How do you call the small peak usually found at the the left of the moelcular ion peak in…

A:

Q: What is a characteristic feature of halogens on the mass spectrometry spectra? A. They have…

A: Halogens have special characteristic feature in  mass spectra. Chlorine atom has isotopes 34.97 and…

Q: 2. You have two solutions of the same compound that are blue. One is very pale and the other is…

A: There are two colored solutions, one is pale blue and other is intense blue in color.  The…

Q: A researcher is studying cytochrome oxidase, a protein that uses iron to bind diatomic oxygen. She…

A: The most likely source of the vibration could be (b) the O-O stretch in FeII-O=O