A pharmacist needs an IV which is 8% (w/v) dextrose in water. How many cc of pure sterile water should she add to 500 cc of D10W to make the IV?

Q: Dr. Kavorkian orders 10.00 g of a medication for your patient. If each tablet contains 200.0 mg of…

A: Conversion of gram into mg  1 gm=1000 mg

Q: Based on the information given, what separation technique(s) is/are most likely feasible? Please…

A: The selective boiling and subsequent condensation of a part in a liquid mixture is referred to as…

Q: to dilute a sample by 1/3. For a final volume of 27 ml, how much sample would you add to how much…

A: The concentration of the solution fluctuates as it is diluted, but the number of moles of reactant…

Q: What is the purpose of doing the silver nitrate test? Write the chemical equation involved here

A: Introduction:  Silver nitrate is an inorganic compound and its formula is AgNO3 with a molar mass…

Q: In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M

A: The acidity of any solution is determined by the molarity of the Hydrogen ions. So, the pH of any…

Q: How much 10% dextrose solution and 20% dextrose solution should be mixed to prepare 1 l  12.5%…

A: Dextrose is an intravenous solution made up of a mixture of water and dextrose and used in low blood…

Q: What are the mechanisms of samples separation work in Thin layer Chromatography?

A: Chromatography is a physicochemical technique for the division of compound mixtures, in view of the…

Q: Barium sulfate is often used as a medical diagnostic tracer, however, it can only be administered…

A: Barium sulfate is white or yellowish odorless powder or crystals. The Melting point is 1580°C and a…

Q: Kael needs to prepare Luria Bertani Agar for 40 plates, 15 slants (big tubes), and 15 stabs (small…

A: LBA agar is used for cultivation of recombinant E.coli.  it is a type of rich medium it is also used…

Q: You requested the following media/reagents for your unknown. What are you testing for with each…

A: The majority of bacteriological culture media are available commercially as pre-made or as bases…

Q: You are tasked to prepare 1000mL of 2 media preparations, however, instead of using a powder agar,…

A: Media is providing the nutrients for growth of micro organism.

Q: A water sample contaminated with chloride ion, how can you estimate the sample purity?

A: Water in its pure form is referred to as the universal solvent. It this  form it is tasteless,…

Q: Given the following common laboratory materials, which of the three methods of heat sterilization do…

A: Three Methods of heat sterilisation include:   Burning over flame  Wet heat (autoclave) Dry heat…

Q: In kool aid chromatography, what factors affect the efficiency of the column? Also discuss the…

A: Kool aid chromatography  The blue dye, is more non-polar than the red dye and is attracted more…

Q: A vial containing 400 mg hydrocortisone sodium succinate powder for injection is to be reconstituted…

A: GIVEN: Amount of hydrocortisone sodium succinate powder for injection = 400 mg Volume of injection =…

Q: What is the fluid thioglycollate medium? Please explain the testing and its results and the…

A: Microbiology laboratory uses various kinds of culture media to identify the biochemical…

Q: Each liter of an intranasal antibiotic solution contains 160 mg of gentamicin. You have 2-mL…

A: A number of gram-negative infections are treated with the aminoglycoside antibiotic gentamicin.…

Q: If the 10-9 plate was counted to have 155 colonies on it, would the CFU/mL be 1.55*1011? If not,…

A: CFU  Colony forming unit it a method to calculate the number of microorganisms in a culture media.

Q: A 5.2 kg cat needs 5 ug/kg of dexmedetomidine for sedation. How many ugs does the cat need? show…

A: Dexmedetomidine – Used as a sedative. It is used in veterinary medicine for clinical assessment and…

Q: A carbohydrate sample reacts positively with all test reagents except for Lugol's. The sample could…

A: Carbohydrates are the chief biomolecules which act as energy source. Most of the body cells depend…

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: Given the following common laboratory materials, which of the three methods of heat sterilization do…

A: Sterilization is the used to kill the microorganisms or other pathogens from a substance or…

Q: UV detection in liquid chromatography requires that the analyte have a

A: HPLC UV detectors are used with high-performance liquid chromatography to detect and identify the…

Q: If you had a 50 mL volume of 1% agarose gel to create with appropriate amount of SYBR Gold how would…

A: In molecular biology, agarose gel is used in electrophoresis to separate the DNA and RNA molecules…

Q: Why an equal volume of air is injected when performing self-saleability test for rubber closure of a…

A: Self-sealability test is a form of quality control test that is done to test the integrity of rubber…

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: A pharmacist receives a prescription for 60 g of a 0.75% w/w bexarotene gel. E many grams each of a…

A: Pharmacology is a discipline of science concerned with the study of medications and their effects on…

Q: You are testing a sample of water from a swimming pool. You count a plate made from a 1 mL transfer…

A: Dilution is a process by which solution (water or diluents) are added to the solvent (main solution)…

Q: Using absorbance readings and a standard curve relating absorbance to cell number, you suspect that…

A: The countable range of colonies for an ideal plate count method is considered 30-300 colonies per…

Q: why would you perform an indole test?

A: The inside test is a qualitative approach of the biochemical analysis of bacteria that determine…

Q: need to dissolve cholesterol in Chloroform in the Liebermann-Burchard Test

A: The reaction of acetic anhydride in chloroform with unsaturated steroids (e.g. cholesterol) in the…

Q: You are working in a hemodialysis clinic and have just received a shipment of dialysate solution.…

A: Answer:  DIALYSATE SOLUTION = This is the solution of pure water , electrolytes , and salts used in…

Q: 5b. Weight of 20 tablets (in mg) selected randomly is given below:   Tablet no Weight (mg) Tablet…

A: To answer first we have to find the uniformity of weight of tablets. This involves calculation of…

Q: When a mixture of various molecular sized dyes are run through a gel chromatography column, what is…

A: Chromatography is a process of separation of substances from mixtures based on their molecular size.…

Q: A sample is diluted by a factor of 10 five times. The 10^-3 dilution has 272 colonies on it.…

A: A serial dilution is a process of sequential dilution in order to decrease the density of cell…

Q: o NB4: Why do you think you first had to make the 1 mM solution instead of working directly from the…

A: A working solution is different from Stock solution. A Working solution is prepared from stock…

Q: Column Chromatography Another name for separation in column chromatography is

A: Another name for seperation in coloumn chromatography is Adsorption column chromatography.…

Q: How much liquid media should you put in your dilution blank if you wanted to serially dilute a1 ml…

A: Serial dilution of the original sample containing microorganisms to achieve countable colonies on…

Q: 5 L of 0.2 M dextrose solution from 5 M dextrose solution

A: Given Values: Stock solution of dextrose = 5 M Final solution of dextrose = 0.2 M Volume of the…

Q: Calculate the amount of each solution needed to make 750 mL if a dextrose 25% solution given only a…

A: Given-  We make 25% dextrose of 750ml by using 60% and 5% dextrose. Use alligation method for such…

Q: 1) Write your dilutions as a rational number AND in scientific format? What was your total dilution…

A: Serial dilution is a process in which a sample is taken and diluted through a series of standard…

Q: What volume of a 40% v/v solution must be used to produce 500mL of 5% v/v solution?

A: The concentration of a drug is generally determined by the dilution of the drug. Various types of…

Q: A doctor had ordered 1 floz 4% medication syrup bid X 5d. How many floz are required in total? How…

A: Introduction:-  bid means twice daily or 12 hourly. Each dose is 1 floz and two times a day is to be…

Q: The plate with 45 colonies was inocculated with 100 µL Volume of a 10^-8 Dilution. Given the formula…

A: Original cell density (OCD) can be found using the number of colonies of colony-forming units,…

Q: The original concentration in a sample of kombucha is 2.79 x 10^6 CFU/ml. Which dilution would yield…

A: Formula, Original cell count = #colonies / (volume plated × dilution) Viable plate count = 30 - 300

Q: An unknown sample was titrated with CH3COOH. After making the titration curve, no steep change was…

A: CH3COOH is a weak acid hence it will not dissociate completely in the aqueous solution to form…

Q: We have 50 X TAE (Tris-Acetate) stock in our laboratory and the laboratory manager asks you to…

A: TAE buffer is a common buffer used in DNA electrophoresis. It has a pH of 8.0 and is made up of Tris…

Q: Your pharmacy has on hand Tetracycline 250 mg/5 mL liquid. You receive a prescription for…

A: Q.1  Available dose of tetracycline - 250 mg / 5ml .  Prescribed dose = 500 mg QID  ( means 4 times…

Q: Rocephin (ceftriaxone sodium) 370 mg IM stat.The label on the ceftriaxone states to reconstitute the…

A: Question is related to drug calculation.  Ordered dose = injection Rocephin ( ceftrioxone sodium )…