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Q: As shown in the image below, 10 µl of a stock solution (tube #1) are serially diluted into 0.990 ml…

A: Introduction Dilution is the process of lowering the concentration of a solute in a solution by…

Q: You want to set up a 1:10 dilution series, so that you can plate a 10-1, 10-2, and a 10-3dilution;…

A: It is basically done for counting the  microorganisms like viruses, bacteria etc  from an unknown…

Q: 0.0050 M KOH PH VALUE

A: KOH stands for potassium hydroxide. It is an inorganic compound with the chemical formula of KOH.

Q: The following Rf values were computed from a reverse phase chromatography experiment. Arran them…

A: There are different techniques to separate a compound from a mixture of substances. The different…

Q: When calibrating a pH meter, 3 (three) standard color-coded buffer solutions are used, which of…

A: pH is a quantitative measure of how acidic or basic is the aqueous or other liquid solution is. It…

Q: When 11 milliliters are transferred from his sample to a dilution vial containing 99 ml, what is the…

A: Given  Volume of stock transferred = 11ml  Vial volume = 99ml  Both are same unit so don't have to…

Q: Identify HCl. strong electrolyte, weak acid nonelectrolyte weak electrolyte, weak acid weak…

A: Introduction: Those molecules that convey an electric charge when dissolved in liquid are…

Q: Results: Tub Ranking of reaction Iodine Test Benedict's Test e rate 1 2 3 4

A: The most important thing to remember is that chemical reactions rely on reactant particles colliding…

Q: What volume of 10X TBE buffer should you use to make 100mL of 1X TBE buffer? 10mL 1mL 0.1mL 100mL

A: TBE buffer stands for Tris-Borate-EDTA buffer. It is used for both agarose and polyacrylamide gel…

Q: Choose the one answer that fits best. Which of the following statements regarding the proper…

A: Micropipettes are used in the laboratory to transfer very little quantity of liquid. Parts of Micro…

Q: Given the chromatogram below in a normal phase, which samples would be the most polar? A O Samples C…

A: The process of separation of molecules in normal phase depends on the distribution of particles…

Q: Metric Prefixes Nano-, Micro-, Centi-, and Milli- Match each prefix with its value. Micro 2 Nano 3…

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Q: Below are the results for your unknown organism. S LM fluid 6 -L-M -s -LM fluid Please record your…

A: Phenol Red It is recommended that the carbohydrate fermentation reaction be determined to isolate…

Q: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…

A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…

Q: Now calculate the slope and equation for the best fit line. You may use excel

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Q: In the image above, the substance indicated as B is a(n) ____.

A: Enzymes are biological catalysts that increase the rate of chemical reactions happening inside the…

Q: Given the chromatogram below in a normal phase, which samples would be the least polar? O Samples B…

A: To compare the relative polarity of the molecules, the retardation factor (Rf) can be used. The Rf…

Q: A. List the five tests from your lab report and answer positive or negative for the following…

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Q: Which of the following reagents will you include in the blank (negative control) for this…

A: A variable is any quantity we can measure. In any experiment there are three variables:…

Q: Given the information provided, please answer the following question: Volume of cell suspension…

A: For setting up the new culture of the cells, the volume of cell suspension required is to be…

Q: There is An order is received for 10 fl oz of a 5% solution. In stock is a 10% solution. How many…

A: Introduction:-  Initial concentration of solution is 25% and we have to make it 5% 300ml solution.…

Q: 100 mL of 2.5 X NaOH solution from 50X NaOH solution

A: Given Values: Stock solution concentration (NaOH) = 50 X Final Solution concentration (NaOH) = 2.5 X…

Q: Briefly explain the principle behind the following techniques: (a) ion-exchange chromatography  (b)…

A: Chromatography is a biophysical method for separating compounds from a mixture. It works on the…

Q: explain what the results of this experiment are and the purpose Table 2   Absorbance vs CoCl2…

A: The Beer-Lambert Rule:  The concentration of the absorbing species and the route length of light…

Q: 18 Students were provided with cubes of slightly alkaline gelatine of different dimensions,…

A: From the above data we have to explain  a For each block, calculate the ratio of surface area to…

Q: A patient has the following lab. results: pCO2 = 41 mmHg; Bicarbonate = 25 mmol/L. Compute for…

A: An A.B.G or Arterial blood gas is  a test which is  used to measure the acidity/alkalinity & the…

Q: Which of the following balanced chemical equations pertains to the chemical reaction involved in…

A: Calcium hydroxide is the chemical with formula CaOH. This is formed when calcium oxide ,CaO react…

Q: Arrange the following in order of increasing Rf on thin-layer chromatography: acetic acid,…

A: Thin-layer chromatography is a method of separating non-volatile mixtures. Thin-layer chromatography…

Q: Please help me find the structure based on this IR graph and a boiling point of 90-100°C. 84 80 70-…

A: Different types of spectroscopy can be used to identify the structure of the unknown compound. Some…

Q: lidocaine

A: 2 % lidocaine means 2000 mg / 100ml which is equal to 20 mg/ml. Ordered dose = 100 mg Available dose…

Q: Choose your favorite drug (so far), and research its IR spectrograph, mass spectrometric…

A: In IR spectroscopy, the Infra red spectrum of the electromagnetic spectrum  is used for investing…

Q: You are administering tramadol to your patient. The order is for 600 mg. There are (3)…

A: Drugs are defined as the type of chemical substances of known structure. These substances are mainly…

Q: Justify and explain following statements.  (a) Paper chromatography is a type of partition…

A: Chromatography is a technique of separation which is used for separating the components present in a…

Q: Complete the Table Volume capacity and precision a graduated cylinder 50 mL; P=0.1 mL Volume…

A: Diluting a concentration solution: In order to prepare a lower concentration solution from a given…

Q: Explain the color changes observed throughout the peroxide value of oil experiment. Materials: 1.…

A: The unsaturated fat when undergoing oxidation forms peroxide so the peroxide value denotes the…

Q: how many milliliters of the stock antibiotic solution should be added to an infusion bag of D5W?

A: Dose == amount of drug / time  Concentration of drug = amount of drug / volume  D5W is intravenous…

Q: Given the chromatogram below in a normal phase, which samples would be the least polar? • Samples B…

A: Chromatography is a technique, used to separate related compounds from a mixture. It is used for the…

Q: Write out a recipe to create the following solution: 5ml of 300mM Sodium Citrate (molecular weight -…

A: Molarity It can be calculated using the formula: M=n/V(L) n=w/mol.wt. M =w/mol.wt. × v We have to…

Q: You are observing the results from a standard plate count and you observe 53 CFUS. To make the plate…

A: The correct answer is option (4) 5.3 x 105 CFU/ml CFU/ml stands for colony-forming units per…

Q: Given the chromatogram below, which of the following is the possible identity of unknown sample Y?…

A: chromatography Thin layer Chromatography is a technique to separate non-volatile substances  in a…

Q: Milligrams 47.0 milligrams = Multiple Choice O 0.47 decigrams 4.7 centigrams 0.047 grams 0.00047…

A: 47 milligrams or mg quantity of substance  is equal to 47 /1000 gram i.e. , it is 0.047 g of…

Q: It was suspected that a particular mixture contained three components: X, Y and Z. To check this,…

A: Thin-layer chromatography is a technique for separating non-volatile mixes from volatile mixtures.…

Q: show the complete solution and write answers in 3 significant figures. DYE CALCULATED Rf Tartrazine…

A: Introduction The retention factor (Rf) of a particular compound is the ratio of the distance the…

Q: Calculate the overall amount (ml) for each of the following components: water, solutes, RBC’s, WBC”s…

A: Calculations for 150 ml blood: Plasma volume in blood = 55% of blood…

Q: What happens if you exclude one or more data sets of the peak area ratio of the chromatograph, how…

A: In chromatography technique, the mixture of components are separated based on their retention times.…

Q: You are a graduate student who is trying to conduct an experiment. For this experiment, you need to…

A: In order to make working solutions, it is often required to dilute the available stock solutions.…

Q: The concentration of the synthetic opioid fentanyl should be determined in a blood plasma sample…

A: Introduction' Fentanyl is a μ-opioid receptor agonist with strong anesthetic and analgesic…

Q: For the same chromatographic column and experimental conditions Rs when H = 3 cm = Rs when H = 5 cm…

A: Asked : For same chromatographic column and experiment conditions the answer out of given options is…