For the following problem indicate the values for each part of the equation and solve for the unknown value: Peter adds 200 μL of bacteria to a tube containing 2 mLs of nutrient broth and then adds 300 μL of a certain disinfectant. The final concentration of the disinfectant in this tube after adding it is 5%.
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For the following problem indicate the values for each part of the equation and solve for the unknown
value:
Peter adds 200 μL of bacteria to a tube containing 2 mLs of nutrient broth and then adds 300 μL of a
certain disinfectant. The final concentration of the disinfectant in this tube after adding it is 5%.
C1=
C2=
V1=
V2=
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- Calculate the volume of BSA stock that will be required to make the standard solutions needed to create the BSA standard curve. Be sure to show your work and include the volume of 0.02 M phosphate buffer required to reach a final volume of 1 mL. From a 2,000 μg/mL BSA stock, create 1 mL of each of the following stock solutions in 0.02 M phosphate buffer using individual microcentrifuge tubes: 50 μg/mL, 250 μg/mL, 500 μg/mL, 1,000 μg/mL, 1,250 μg/mL, 1,500 μg/mL. Be sure to properly label all the microcentrifuge tubes before creating the standards.a)Determine the amount of X (in gram) in order to prepare 100 mL of 50 mM stock solution of X. Show your work. (MW of X= 225) b)Determine the volume required (mL) from the stock solution X in (i) to prepare 500 mL of MS medium containing 5 mg/L X. Show your work.Phenylephrine and nafazolin solutions are used as decongestants to relieve nasal congestion. Your patient has been given the following prescription below. You need to prepare 100 g of this nasal spray and make it isotonic. 1. There is an available 25% w/w Phenylephrine solution in the pharmacy. How many g of this solution will you need to supply the needed 0.5% of the patient? A. 1.0 g В. 1.5 g С. 2.0 g D. 4.0 g 2. Given the amount calculated on the previous item, and if the E value of phenylephrine HCl is 0.32, calculate its corresponding sodium chloride tonicic equivalent. А. 0.16 B. 0.64 С. 1.60 D. 6.40 3. If the E value of nafazolin is 0.27, what is the sodium chloride tonicic equivalent of the patient's needed nafazolin? A. 0.0135 B. 0.1350 1.3500 D. 13.500 4. What is the combined sodium chloride tonicic equivalent of the remaining ingredients (edetate disodium (E =0.24) and sodium metabisulfite (E = 0.7)? A. 1.060 B. 0.106 С. 1.290 D. 0.129 5. To make the solution isotonic, what…
- For the serial dilution, your stock solution must have a concentration of 3.5 mg/mL. How much diluent must be added to the 5.3 mg/mL red cell to prepare the stock solution? Show pertinent solution/s. What are the initial concentrations used for tubes 3, 5, and 6? Show pertinent solutions. What are the dilutions of the last positive tube and first negative tube respectively? Show computation.Consider the sterilization of a sodium gluconate production medium in the holding section of a continuous sterilizer. Assuming constant temperature, the specific death rate constant of the contaminant is 20 s-1 . If the average residence time in the holding section is 10 seconds, calculate the Del factor for the following and explain the results. i. For Pe = 400 ii. For Pe = 400, assuming plug flow iii. For Pe = 100 iv. For Pe = 100, assuming plug flowAnswer the following problem using Reducing and Enlarging Formula (Factor Method)
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