You are trying to determine which ions are present in a sample. If you use ion chromatography, you will need to analyze the anions and the cations separately.  Why is this so?  If you use capillary electrophoresis you can analyze all of the ions in a single run. Why is this so?

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: A 500 mg vial of Kefzol needs to be reconstituted to a final concentration of 275 mg/mL. Assuming…

A: Answer.    Given data :----- Kefzol vial concentration  = 500 mg.  Desire concentration of kefzol =…

Q: Using Benedict's Test would the substance (saliva + acid + potato chips) test positive or negative?…

A: Benedict's test is used for the identification of reducing sugars such as simple carbohydrates…

Q: Some cancers are detectable with a simple blood test (if the cancer cells secrete a chemical that…

A: Hi thanks a lot for asking the details of the solution. The solution is correct, and amount of…

Q: We want to test different concentrations of an antibiotic to see how well it can kill bacteria on a…

A: Introduction:- The Agar dilution of the method is the currently the reference that standard the…

Q: If you have a sample of unknown composition, a first step at analysis might be a determination of…

A: Mass spectrometry is the molecular technique that deals with the measuring of mass-charge ratio of…

Q: (a) You decide to purify the 5-HT 2A receptor. The protein has a predicted molecular Mass of 46.54…

A: Formation of the peptide bond neutralises any charge due carboxyl group, therefore the net charge on…

Q: Four amino acid samples were subjected to a reverse-phase chromatography set up and yielded the…

A: Amino acids differ from each other on the basis of their side-chain properties. Some amino acids are…

Q: You start working in a new laboratory. When you arrive, you find a few vials on the bench. The…

A: A 1 molar(1M) solution contains the molecular weight of a substance(in grams) in 1L of solution. The…

Q: Part 2 You decide to try anion exchange chromatography (DEAE column). To do this, you first…

A: Samples such as protein mixture can be separated via different biochemical separation techniques…

Q: If you put red blood cells into a very concentrated (10%) NaCl solution, what would happen?

A: Given 10% Concentrated sodium chloride solution ( salt solution)RBC

Q: You are asked to administer 75 mg of lidocaine. It is packaged 10 mg per 1 mL. How many milliliters…

A: To administer: 75mg lidocaine Avaliable as: 10 mg present in 1 mL. To find: How many milliliters to…

Q: When doing a routine differential count for a CBC how many cells are counted?   a) 50 b 75 c 100…

A: CBC It is complete blood count which refers to the set of tests that gives the details of cells in…

Q: The doctor orders 4mg of IM lidocaine every 3 hours for your patient's pain. The drug is available…

A: Order given = 4mg Available dosage = 10mg/mL. Assuming the drug to be wasted per dose of 4mg IM

Q: Refer to the chromatograph (Figure 1) below and answer the questions that follow: What is the…

A: Affinity chromatography is a separation technique that takes advantage of the ligand specificity…

Q: When conducting a flame test for sodium iodide, is the result positive or negative?

A: An ionic compound is one that is formed between a metal or metalloid and a non-metal. A Flame test…

Q: Use the formula below for each person to determine the final cumultative error.  a) pierre=…

A: In scientific experiments, cumulative error accounts for uncertainties in multiple measurements. By…

Q: A sample was placed on a chromatography column. Dichloromethane was used as the eluting solvent. All…

A: Column chromatography is a technique that allows chemists to separate substances based on their…

Q: Which contains more drug: 0.5 cc of 1% drug solution with 2 m of saline, or 0.5 cc of 1% drug…

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Q: ? How many milliliters will you administer?

A: A drug is a chemical compound that is administered in the body to combat a disease. It is important…

Q: ing an experiment to test water from various sources for the presence of lead (a heavy metal that…

A: It is the cause that is the independent variable. Its value is unaffected by the other study…

Q: Mary Jo prepared a series of diluted samples by taking 1 mL of sample and adding it to 4 mLs of…

A: Here, Mary Jo is undertaking serial dilution (i.e. a series of consecutive dilutions) comprising of…

Q: Automation in the clinical laboratory also brought about the advantage of requiring only a minute…

A: A pipette (pipet) is a laboratory tool commonly used in all fields of life science to transfer a…

Q: how can you determine aluminum, lead and zinc in a specimen using a microchemical technique?

A: Ans. Identifying aluminum, lead, and zinc in a specimen using micro chemical techniques involves a…

Q: Paraphrase the text below: Series of test tubes were filled with the desired volume of the BSA…

A: Proteins are the macro molecules that are made up of amino acids as monomer units. Aminoacids are…

Q: The order is for Dilantin 200 mg, PO, qd. You have on hand Dilantin 250 mg per 5 ml. How many…

A: To calculate the required milliliters, we need to use the following formula: (Number of milligrams…

Q: cholesterol determination

A: Cholesterol: It is a waxy, fat like substance which is essential for the normal functioning of the…

Q: When pure hemoglobin (molecular mass of 64,000 Da) is separated by the following methods, what major…

A: Hemoglobin is a tetramer composed of two alpha and two beta subunits. The Molecular weights of the…

Q: You have a 6 M solution of stock A. You do the following serial dilutions: Add 1 ml of stock A to…

A: Dilution is calculated by stock volume to the final volume.  Solution = Stock volume/ (stock volume+…

Q: Which among the following statements is correct? Group of answer choices Both statements are…

A: Chromatography is a technique used for separation of molecules based on the principle of…

Q: olds 950 milliliters (m

A: Milliliter literally means one thousand of a liter, it written as ml.  One milliliter 20 drops and…

Q: Iminister 40mg Propanolol Hydrochloride to your patient orally. The stock solution available is…

A: You are required to administer 40mg propanolol Hydrochloride to your patient orally. The stock…

Q: e tra led by the solvent Distance travellad bu

A: Chromatography is a technique by which we separate molecules from a mixture. In this technique, we…

Q: pe

A: We must first determine the compound's molar mass to compute the mass.Carbon(C) = 2O * 12.011 g/mol=…

Q: A physician has ordered 5 gr of a medication. It is available in solution form as 20 gr per fl oz.…

A: a) There is 20 gr of medication in 1 fl oz  1 gr medication will be present in 1/20 fl oz So, 5 gr…

Q: You set up an experiment where you place a sealed (clamped) dialysis tube cell in a beaker of water.…

A: Dialysis: it is a process to remove the waste material of the body in the patients of kidney…

Q: Serena uses a 25-mL buret in order to transfer approximately 20 mL of a liquid into a beaker. In her…

A: When reporting of the values obtained in the experiment, it is necessary present the accurate and…

Q: A patient is to receive Tazidine by intramuscular injection.  A 10.0-mL vial contains 1 gram of dry…

A: Tizanidine is an antibiotic available in the combination of tazobactam and ceftazidime. This drug…

Q: You are designing an experiment to test the reaction of potato samples with varying amounts of…

A: In a chemical reaction between the enzyme catalase and hydrogen peroxide (H2O2), catalase serves as…

Q: A student is designing an experiment to test water from various sources for the presence of lead (a…

A: For performing any scientific experiment the construction of hypothesis, selection of dependent…

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: A student needs 240 mL of a 1/20 dilution of an undiluted stock solution. What volume (mL) of the…

A: The formula used to indicate how much of the initial stock solution is still present in the final…

Q: In making red blood cell suspension, why do we need to wash red blood cells in saline?

A: Red cell suspension is a common reagent used for many serologic procedures. Red cell suspensions…