What physical factors can influence the activity of a disinfectant

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: What is the minimal concentration (MIC) for disinfectant number 1? Just write the corresponding…

A: Minimum Inhibitory Concentration is defined as the least concentration of a substance that does not…

Q: solution is tested with three indicators and it has a pH of 9.8. Identify the colours of the…

A: pH 9.8 corresponds to basic pH range. Asked : To identify the colours of the given indicators at pH…

Q: A solution measuring pH 12 is _________ times __________ concentrated with H+ than a solution…

A: The term "pH" was first described by Danish biochemist Soren Peter Lauritz Sorensen. pH is defined…

Q: 50 mL of 5mM NaCl solution from 1 M NaCl solution

A: Dilution is the process by which we decrease the concentration of a solution. This process is vital…

Q: A solution at pH 4 is _____ times as _______ as a solution at pH 7.

A: A solution at pH 4 is _____ times as _______ as a solution at pH 7. A pH of 7 is neutral. A pH less…

Q: You receive an order for 750 mL of 27% dextrose solution. You have available D50W, 1000 mL. How many…

A: Given, D50W means 50% dextrose solution, 100 ml 750 ml of 27% dextrose is desired Sterile water

Q: You have a 100X stock of a buffer. You need 100 ml of 1X buffer.  How much buffer solution do you…

A: Stock solutions of the standard concentration are present in the laboratories. Using these stock…

Q: In no more than two sentences each describe electroporation

A: There are several methods or techniques that allow us to introduce foreign DNA into the host cell,…

Q: Why is there a need to use acids and boil the sample in maceration?

A: Maceration is a common method of obtaining medicinal plants, it is an extraction process in which…

Q: A 510 mL IV bag contains a 25% dextrose solution. How much of the original solution must be replaced…

A: During IV transfusion and medicine administration, the concentration of the drug in a solution must…

Q: What is the difference between an antiseptic and a disinfectant? Can the same chemical be used for…

A: Antiseptic Disinfectant 1.       These can slow down the growth as well as can kill the…

Q: If a liquid contains 3 mg of drug in 40 mL, what is the milligram percent of this solution? Round to…

A: Drug calculation is an essential component of drug administration. As Nurses we need to understand…

Q: The wavelength for cobalt (II) chloride is set to 549 nm. Why is this wavelength being used?

A: In uv visible spectroscopy , we measure the absorption of radiation by the sample at a particular…

Q: An aqueous solution is 3.50 % by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL. The…

A: Mole fraction is expressed in the terms of moles. It is can be calculated from the formula that is…

Q: You want to use a serial dilution to make a 1/50 dilution. The first dilution you make is a 1/5…

A: Introduction Dilution is a process by which the concentrations of solute are lowered down in a…

Q: How many mL of 10 x stock solution would you need to make 118 mL of 1x PBS?  Report your answer to 1…

A: The equation of dilution: C1 x V1 = C2 x V2 Where, C1 is the concentration of the stock solution. C2…

Q: You carry out a dilution adding 20 mL of solution A and 80 mL of water. This dilution can NOT be…

A: In laboratory, various concentration of substances are needed for different experiments. In some…

Q: What concentration of ethanol is considered optimum for disinfectant? Why not 100%?

A: Disinfectant refers to the chemical agents that destroy or inactivate microorganisms on an inert…