I wish to prepare 1:250 of Fraction A. Final diluted volume should be 1mL. Please show...
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wish to prepare 1:250 of Fraction A. Final diluted volume should be
1mL. Please show...
Need the answers to all please :) 1) You recently purchased a new mitogen at 1mg/1ml...
Need the answers to all please :) 1) You recently purchased a new mitogen at 1mg/1ml (stock) and then prepared 1:100 dilutions as a working solution (tube A). The company also suggest verifying the optimal dilution for your experiment by doing serial (twofold) dilutions. Describe how you would prepare 500microliters of working solution (tube A). What volume of inhibitor will you add in microliter? 2) You would like to optimize the working concentration of the inhibitor, and therefore perform two-fold...
b. 1 ml 1ml 「-I Final dilution 4(1 point) This represents a serial dilution to determine...
b. 1 ml 1ml 「-I Final dilution 4(1 point) This represents a serial dilution to determine viable bacterial counts. Indicate the final dilutions in each of the two tubes. Note that two different volumes of the cells intube #2 are plated onto agar plates A and B. Indicate the dilution factor that will be used to report the original cell concentration on a per mL basis. 1 ml 1 ml Final dilution in Tube #1 = Final dilution in Tube...
Solution Dilution a) What is the final volume in milliliters when 0.533 L of a 32.3 % (m/v) solution is diluted to 20.8...
Solution Dilution a) What is the final volume in milliliters when 0.533 L of a 32.3 % (m/v) solution is diluted to 20.8 % (m/v)? b) A 999 mL NaCl solution is diluted to a volume of 1.42 L and a concentration of 8.00 M . What was the initial concentration? How do I solve these? Thanks
19) prepare serial dilutions of a plant protein extract using sterile dH2O in a total volume...
19) prepare serial dilutions of a plant protein extract using sterile dH2O in a total volume of 100 microliters in each glass test tube. Tube 1-1/1 dilution, Tube 2- 1/2 dilution, Tube 3- 1/4 dilution, tube 4- 1/8 dilution, Tube 5- 1/16 dilution. (remember /= of) This says it does not have enough information, but this is a practice question i was given it must be solveable
1) How would you prepare 500mL of working TBE buffer if the stock solution was purchased...
1) How would you prepare 500mL of working TBE buffer if the stock solution was purchased as 25X TBE? 2) 2mL of a serum sample was added to 18mL of phosphate buffered saline (PBS) in Tube 1. 10mL of Tube 1 was added to 40mL of PBS in Tube What is the dilution of serum in Tube 2? 3) A student needed to prepare 500mL of 1X TAE buffer to run a QC gel. The stock solution in the lab...
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...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
How do you find the initial concentration if you are only given the initial volume and final volume? I have tried using...
How do you find the initial concentration if you are only
given the initial volume and final volume? I have tried using the
V(i) x C(i) =V(f) x C(f) equation but it needs at least 3 figures
so I'm a bit lost right now.
DILUTION WORKSHEET Solution #1 Concentration = 0.0232 0% Solution in volumetric flask before water is added to the line Solution in volumetric flask after water has been added to the line Diluted Solutions V #3 18.00mL...
Please show,label, and explain all steps. QUESTION 5 4 points To what volume ,in ml, should...
Please show,label, and explain all steps.
QUESTION 5 4 points To what volume ,in ml, should 1.19 mL of an 8.00 Macetic acid solution be diluted in order to obtain a final solution that is 1.50 M?
please show work so: 1 ml stock 10 ml final -0.5 mL of stock -5 ml...
please show work
so: 1 ml stock 10 ml final -0.5 mL of stock -5 ml final volume While I have used 1:10 as a standard the same rules apply for all dilution factors. Try these problems: x 0.5 X0.5 1. You need to make a 1:25 dilution factor. If you final volume is 25 mL this means that you need_ _mL of stock and mL of solvent to make your final volume of 25 mL. 2. If you needed...
b. 1 ml 1ml 「-I Final dilution 4(1 point) This represents a serial dilution to determine viable bacterial counts. Indicate the final dilutions in each of the two tubes. Note that two different volumes of the cells intube #2 are plated onto agar plates A and B. Indicate the dilution factor that will be used to report the original cell concentration on a per mL basis. 1 ml 1 ml Final dilution in Tube #1 = Final dilution in Tube...
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...
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
How do you find the initial concentration if you are only
given the initial volume and final volume? I have tried using the
V(i) x C(i) =V(f) x C(f) equation but it needs at least 3 figures
so I'm a bit lost right now.
DILUTION WORKSHEET Solution #1 Concentration = 0.0232 0% Solution in volumetric flask before water is added to the line Solution in volumetric flask after water has been added to the line Diluted Solutions V #3 18.00mL...
Please show,label, and explain all steps.
QUESTION 5 4 points To what volume ,in ml, should 1.19 mL of an 8.00 Macetic acid solution be diluted in order to obtain a final solution that is 1.50 M?
please show work
so: 1 ml stock 10 ml final -0.5 mL of stock -5 ml final volume While I have used 1:10 as a standard the same rules apply for all dilution factors. Try these problems: x 0.5 X0.5 1. You need to make a 1:25 dilution factor. If you final volume is 25 mL this means that you need_ _mL of stock and mL of solvent to make your final volume of 25 mL. 2. If you needed...
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