The original concentration in a sample is 2.79 x 106 CFU/mL. Which sample volume should yield a countable plate (i.e., between 30-300)? Express your answer as 10% mL.
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- To determine the cfu/ml of a pondwater sample, you perform 1/10, 1/100, 1/1000 and 1/10,000 serial dilutions and plate 0.1 mls of each dilution. You count 40 colonies on the plate derived from the 1/10,000 dilution. What is the cfu/ml of the pondwater? Show your work and use scientific notation.A student needs 240 mL of a 1/20 dilution of an undiluted stock solution. What volume (mL) of the stock solution will be required? Note: Your answer should be in numerical format to the nearest whole number (with a decimal).How many mL of 19 mM SDS would you need to make 76 mL of 2 mM SDS? Report your answer rounded to 1 decimal place.
- One hundred (100) ml of raw goat's milk bought from a street vendor is added in bottle 1 which initially contains 900 ml diluent. The sample was serially diluted by transferring 10 ml each to the succeeding bottles 2, 3 and 4 all of which contain 90ml diluent. Calculate the final dilution in bottle 4 expressed in decimal number. (Attach a screenshot of your computations at the end of the assessment). 0.01 0.001 0.0001 0.00001 0.000001You are required to administer 40mg Propanolol Hydrochloride to your patient orally. The stock solution available is 50mg/5ml. How many millilitres would you administer? Please give your answer as a whole number Answer: ML Show Calculator < PreviousThe doctor ordered Oxacillin 650mg every 6 hours. The instructions on the 2gm vial states to reconstitute with powder with 11.5ml of sterile water for injection, yielding 220mg/1.5ml. How many ml will you administer? using dimensional analysis and show work
- create a serial dilution from a 1.5 x 10^8 CFU/ml stock solution that will give you 1500CFU/ml when you plate it.How many CFU per ml are there in the original sample using the following dilution and platingseries? Make sure to label all dilutions that were done.How many mL of 13x stock solution would you need to make 387 mL of 1x PBS. Report your answer to 1 decimal place.
- The answer key is 24.5 mL/hr. Please show step by step solution.A 46.60-gram pycnometer was filled with 100.50 grams of liquid. When filled with insoluble powder, the pycnometer weighs 84.60 grams. When the insoluble powder and liquid were combined, the pycnometer weighed 172.8 grams. What is the relative density of the insoluble powder? 2.1 2.6 3.1 None of the AboveBased on the following data, what is the MRSA concentration (CFU/ml) in the patient's blood sample? Write your answer in the following format: Value x 10^Exp. Do not include units. 100 μl 100 μl 100 μl 2.8X10^2 A Original 100 μl 100 μl Blood Sample 100 μl B 900 μl c 900 μl D 900 μl E 900 μl F 900 μl Saline Tubes Lawn of growth 000 100 μl 200080 100 μl 100 μl | 100 μ. | 100 με 280 22 2 0 colonies colonies colonies colonies LB + Methicillin
