You want to prepare a 15 mL gel containing 0.8% (weight /volume) agarose. How much agarose do you need to weigh to prepare the solution? Show all your calculations.
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You want to prepare a 15 mL gel containing 0.8% (weight /volume) agarose. How much agarose
do you need to weigh to prepare the solution? Show all your calculations.
Hint: Write down the units for 0.8% knowing that agarose is a powder that is mixed with a
liquid
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- Rx Clindamycin phosphate 4% w/v Propylene glycol 12.9% w/v Purified water 11% w/v Isopropyl alcohol ad 244 mL (Sp.G. = 0.880) Ft. clindamycin gel Sig.: Place thin layer onto affected areas How many grams of isopropyl alcohol are present in a clindamycin gel that has 76 mL of purified water? Assume negligible volume shrinkage as result of mixing these ingredients. Answer: 415.2 (please show all work) ANSWER IS ALREADY GIVEN PLEASE SHOW WORK IN DETAIL HOW IT COMESYou own a compounding able pharmacy and are presented with a presciption for fortified gentamicin eye drops 5mg/mL. You have in stock a gentamicin injection at 40mg/ml and 5ml gentamicin eye drop labled to contain 3mg/ml. How many mililiters of the injection should be added to the 5ml of the commercial eye drop to gice it a 5mg/ml "fortifited" concentration?Thimerosal Tincture USP contains 0.1% w/v thimerosal and 50% v/v ethyl alcohol. If the cap is left off of a 15-mL bottle of the tincture, and the ethyl alcohol evaporates leaving a final volume of 9.5 mL, what is the concentration of thimerosal in the evaporated solution expressed as a ratio strength?
- Our laboratory has a stock of 50 X TAE (Tris-Acetate) and the laboratory manager asks you to prepare a 2% gel using 1XTAE that you will prepare from agarose and stock. How do you prepare? (tank tray volume 250 ml).How many mg of agarose do you need to weigh out to make 75 ml 1.3% gel?If you have 50 ml of pure stock formalin solution how many ml of diluent will you need? What is the total volume of the reagent used you have prepared? Write down your answers with complete solutions and correct labels.
- You have just used up the last of a 1.2 % m/m solution of agarose in water. You require another 100mls. How many grams of Agarose do you require? Note 1ml of water=1g What is the % w/v of a 100ml solution containing 5g of NaCl?You need to make a protein buffer of: . • • 100 mM NaCl 25 mM Tris 8 5% w/v glycerol • 2 mM DTT Your stock solutions are: 5 M NaCl • 2 M Tris 8 • 70% w/v glycerol • DTT @ 154.25 g/mol How would you make a 1L protein buffer Solution? Show your work and describe.We need to prepare for our thesis work 75 Petri dishes with agar of mannitol (MSA). The recipe for 1L is in the following table: a. Calculate how much is needed of every component to prepare the mL needed for 75 Petri dishes. b. Calculate how much would be needed to prepare 50 Petri dishes.
- You are preparing 1 Lt of TAE (Tris Acetate EDTA) gel running buffer from a 50x stock solution. How much 50 x TAE and how much water will you combine?As a part of a clinical study, a pharmacist is asked to prepare a modification of a standard 22 g package of a 2% mupirocin ointment by adding the needed quantity of mupirocin powder to prepare a 3% w/w mupirocin ointment. How many mil- ligrams of mupirocin powder are required?How much agarose powder (g) would you use to make a 50 ml, 1.4% agarose gel?