Seven Tubes Contain 1 ml of Saline. You add 1 ml of a 64 mg/ml sample...
Seven Tubes Contain 1 ml of Saline. You add 1 ml of a 64 mg/ml sample in tube 1. From tube 1 you take 1 ml and add it to tube 2. From Tube 2 you take 1 ml and add it to tube 3. You repeat this through tube 7. Write the sample concentration in each tube?
Homework Answers
In each tube 1 ml of saline is present, now if we add 1ml of 64mg/ml sample in the tube 1 then it is diluted 1:2 times and the concentration is reduced to half that is 32 mg/ml in tube 1.Similarly in the rest of the tubes the concentration will be as follows.
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Seven Tubes Contain 1 ml of Saline. You add 1 ml of a 64 mg/ml
sample...
4. Suppose you set up a row of 10 tubes. A volume of 0.4 ml of...
4. Suppose you set up a row of 10 tubes. A volume of 0.4 ml of saline is pipetted into tube #1. while 0.6 ml of saline is pipetted into tubes #2-10. To tube #1,0.4 ml of patient serum is added. A volume of 0.2 ml is serially transferred from one tube to the next, discarding 0.2 ml from tube #10. What is the dilution of tube #4? 5. Consider the following serial dilution system, consisting of 10 tubes. A...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would add to your sample to accomplish that? A. 10 ml B. 9 ml C. 9.9 ml D. 0.9 ml E. 0.99 ml 2. You have 0.5 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would add to your sample to accomplish that? A. 10 ml B. 9 ml C. 9.9 ml D. 0.9 ml E. 0.99 ml 2. You have 0.5 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would...
Methods A. Setting up your tubes: Label (1, 2, 3, 4, 5, and 6) the six...
Methods A. Setting up your tubes: Label (1, 2, 3, 4, 5, and 6) the six 1.5 ml size tubes at your station. Put 25 HL of red water solution into test tube number 1 Put 30 uL of yellow water solution into test tube number 3 Put 40 HL of blue water solution into test tube number 5 B. Constructing color spectrum: Make sure you record action in Table II below: Take 5 L from tube number 1 and...
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Suppose you were to make your own standards (via serial dilution) using 6 tubes. You start...
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phenol is in each of your unknowns. 1. You will be given a nitrophenol solution of...
phenol is in each of your unknowns. 1. You will be given a nitrophenol solution of concentration 400 nmoles/mL and you will use this stock solution to make a serial dilution as follows: To make the serial dilution you need to prepare 5 tubes with 1 ml water. Next, add 1ml from the 400 nmoles/ml stock to the first tube. Pipette the solution up and down carefully and remove 1 ml of this solution to the next tube. Repeat this...
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Calculate the initial concentration of Fe3+ in test tubes 1-4. (you will need to take the...
Calculate the initial concentration of Fe3+ in test tubes 1-4. (you will need to take the dilution in to account) Calculate the initial concentration of SCN-in each of test tubes 1-4. (you will need to take the dilution in to account) 2. Label four 20 x 150 mm test tubes 1-4. Pour about 30 mL of 0.0020 M Fe(NO3)3 into a clean, dry 100-ml beaker. Pipet 5.0 mL of this solution into each of the four labeled test tubes. Use...
Medication Powder: Diluent: Resulting Concentration: mg/ml 2.500 mg # #2 #3 ADD 3.5 mL 4.3 mL....
Medication Powder: Diluent: Resulting Concentration: mg/ml 2.500 mg # #2 #3 ADD 3.5 mL 4.3 mL. 8.9 mL 2,000 mg 1,000 mg 10,000 mg XYZ What is volume in vial after reconstitution? mL MD Orders: give the dose ordered via IVPB diluted in 50 mL of Normal Saline A. 1,750 mg # mL to draw up B. 4,200 mg #mL to draw up C. 7,800 mg #mL to draw up What is the total volume of fluid to be infused?...
4. Suppose you set up a row of 10 tubes. A volume of 0.4 ml of saline is pipetted into tube #1. while 0.6 ml of saline is pipetted into tubes #2-10. To tube #1,0.4 ml of patient serum is added. A volume of 0.2 ml is serially transferred from one tube to the next, discarding 0.2 ml from tube #10. What is the dilution of tube #4? 5. Consider the following serial dilution system, consisting of 10 tubes. A...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would add to your sample to accomplish that? A. 10 ml B. 9 ml C. 9.9 ml D. 0.9 ml E. 0.99 ml 2. You have 0.5 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would...
Microbiology Labs Practice Problems 1. You have 1 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would add to your sample to accomplish that? A. 10 ml B. 9 ml C. 9.9 ml D. 0.9 ml E. 0.99 ml 2. You have 0.5 ml sample of a patient's serum and you need to make a 1:10 dilutions of it in saline. How much saline you would...
Methods A. Setting up your tubes: Label (1, 2, 3, 4, 5, and 6) the six 1.5 ml size tubes at your station. Put 25 HL of red water solution into test tube number 1 Put 30 uL of yellow water solution into test tube number 3 Put 40 HL of blue water solution into test tube number 5 B. Constructing color spectrum: Make sure you record action in Table II below: Take 5 L from tube number 1 and...
phenol is in each of your unknowns. 1. You will be given a nitrophenol solution of concentration 400 nmoles/mL and you will use this stock solution to make a serial dilution as follows: To make the serial dilution you need to prepare 5 tubes with 1 ml water. Next, add 1ml from the 400 nmoles/ml stock to the first tube. Pipette the solution up and down carefully and remove 1 ml of this solution to the next tube. Repeat this...
Calculate the initial concentration of Fe3+ in test tubes 1-4. (you will need to take the dilution in to account) Calculate the initial concentration of SCN-in each of test tubes 1-4. (you will need to take the dilution in to account) 2. Label four 20 x 150 mm test tubes 1-4. Pour about 30 mL of 0.0020 M Fe(NO3)3 into a clean, dry 100-ml beaker. Pipet 5.0 mL of this solution into each of the four labeled test tubes. Use...
Medication Powder: Diluent: Resulting Concentration: mg/ml 2.500 mg # #2 #3 ADD 3.5 mL 4.3 mL. 8.9 mL 2,000 mg 1,000 mg 10,000 mg XYZ What is volume in vial after reconstitution? mL MD Orders: give the dose ordered via IVPB diluted in 50 mL of Normal Saline A. 1,750 mg # mL to draw up B. 4,200 mg #mL to draw up C. 7,800 mg #mL to draw up What is the total volume of fluid to be infused?...
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