what is the is the dilution factor when  you add 2 mL ssample of 8 mL diluent?

Q: How much of a 10x buffer should be added to 900ml of water to make a 1x solution?

A: In this question, we are given with- 1. Concentration of stock solution= 10X 2. Required…

Q: You were instructed to add 0.2 ml of kombucha to 9.8 ml of fresh tea, but instead added 2.0 ml of…

A: Dilution is defined as the ratio of stock volume to the final volume.  Here, final volume is the sum…

Q: 9. 3 μL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following…

A: The objective of this question is to calculate various parameters related to a solution of a…

Q: How is 10^4 derived? Please show all calculation steps. # of cells per mL = (Average)*DF*10^4 %3D

A: HEMOCYTOMETER: It is the tool used in most of the biochemistry and biology labs in order to count…

Q: A pharmacist needs an IV which is 8% (w/v) dextrose in water. How many cc of pure sterile water…

A: Introduction:-  We have been given initial volume as 500cc which means 500ml of D10W ( 10%)  and we…

Q: Provide a chemical test/reagent that would differentiate each of the following pairs of compounds.…

A: Asked : Reagent and indication of positive test

Q: The order is for Moxam 5 gm IM every 8 hours.  On hand is 10 gram of Moxam with the following…

A: Medication order is the terms used to define the directions for a drug needed to be given to the…

Q: What volume of 50 ppm nitrate stock solution would you use to prepare 50 ml of 1ppm, 2 ppm, 3 ppm…

A: Perhaps the most typical task in any analytical lab is preparing a solution with a known…

Q: 10 If 3 ml of culture is diluted by adding 9 ml of water and the absorbancy reading of the diluted…

A: Sol: Given                   Volume of the culture used = 3 ml                             Volume of…

Q: How many mL of the 1 M glucose stock solution do you need to prepare 100 mL of a 1 mM glucose…

A: After dilution, the dilution factor represents the number of times the original concentrated stock…

Q: The prescriber ordered oxacillin 500mg IM q6h.  The instructions on the 2g vial state to…

A: The nurses administer the drugs to the patient, and thus it is very much necessary for the nurses to…

Q: Prepare a standard tube that contains 0.2 mL of 2.5 mM lysine. To this tube, add 0.1 mL of the…

A: Final concentration can be calculated from the formula C1V1=C2V2 Where C1= initial concentration V1=…

Q: You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire…

A: When we describe a concentration as a percentage without specifying the type of formula, we imply…

Q: How will you dilute 100 μl of 25 mg/ml BSA into a final concentration of 2 mg/ml BSA?

A: BSA stands for bovine serum albumin. It has several applications in laboratories. In a microbial…

Q: If each agar plate contained 20 ml of LB agar and had an ampicillin concentration of 150 ug/ml, what…

A: Given data:  Each plate contains-  LB agar=20ml Ampicillin= 150 micrograms per ml.  Amount of…

Q: What is alkaline reversion? Explain why this condition gives a false negative result

A: The microbes that affect the intestine of an individual are referred to as enteric pathogens. The…

Q: The aliquot method was used to obtain 8 mg of a drug with a pr

A: Introduction:- the amount of the drug that is weighed that is within the degree of accuracy that…

Q: If equal portions of tretinoin gel, 0.1 % w/w and 0.4 % w/w are combined, what would be the…

A: The objective of the question is to find the resultant percentage strength when equal portions of…

Q: How many mg of agarose do you need to weigh out to make 75 ml 1.3% gel?

A: Agarose is a naturally occurring polymer that is extracted from seaweed and is made up of monomeric…

Q: What is the concentration of a 50% solution after completing three 1:10 serial dilutions?

A: Serial dilution is the process that reduces the concentration of a solution in an organised manner.…

Q: You have a stock solution of 40% hydrogen peroxide. You need to make several dilutions for a…

A: Dilution of Hydrogen peroxide (H2O2): Dilution of Hydrogen peroxide (H2O2), is carried out by adding…

Q: If you have an absorbance of 2.0 mL of stock dye, what kind of a dilution is needed to get it to…

A: Biochemistry is the science of study of the internal biochemical processes of organisms. The…

Q: How would you make two-fold serial dilutions such that the last tube is a 1:32 dilution of the…

A: Serial dilution is used mostly in studies involving cell cultures (microbiology or even cell culture…

Q: How do you make a stock solution of 1000 ppm using a solution which Has a density of 0.842 g/mL?

A: Introduction : To prepare a stock solution of 1000ppm using a solution with a density of 0.842g/𝑚L,…

Q: NEORAL oral solution contains 100 mg/mL of cyclosporine. If a pharmacist prepares 30 mL of an oral…

A: Dilution is a lab procedure by which the concentration of a solute in a solution is lowered by…

Q: Calculate the amount of phycocyanin in Sample x in mg where A620=0.191   and A650=0.093, taking into…

A: Phycocyanin is a photosynthetic pigment. It is a blue color pigment. The concentration of…

Q: A solution of flycine and a solution of albumin were prepared with the same concentration (g/L). One…

A: The ninhydrin test is a chemical that is used to determine the presence of alpha amino groups in the…

Q: You have a sample at 50 ng/ul and you would like to load 400ng of this sample on a lane of an…

A: Agarose gel electrophoresis is a technique to study the features of genetic material and proteins.…

Q: How many moles of KBr are there in 89.5 mL of 0.150 M KBr?

A: Molarity can be stated as, it is the number of moles of solute which is dissolved per liter (L) in…