To
make 2M solution of sorbitol , mix 18.22 grams of sorbitol in 50 ml
of water
You are given a 2M stock solution of NaCl and are asked to make up 100 ml of a 1M solution of NaCl. How do you do that, using the stock solution and distilled water? Select one: O a. I would add 2 ml of the stock to 98 ml of water. O b. I would add 10 ml of the stock to 40 ml of water O c. I would add 20 ml of the stock to 80 ml...
QUESTION 5 How many grams of Tricine (MW = 179) would you need to make 300 mL of a 20 mM solution? QUESTION 6 How many grams of Tricine (MW = 179) would you need to make 50 mL of a 10 UM solution? QUESTION 7 How many grams of magnesium chloride (x6H2O) are contained in 250 mL of a 0.1 M solution? QUESTION 8 How many grams of sucrose (MW 342) are contained in 250 mL of a 0.1...
Explain how you would prepare 10 ml of a 50 μM solution of caffeine. The Mw of caffeine is 456 g/mol.
I need to make a solution that is 0.5M of compound B (MW=225) and I need to use 2.5 mL of methanol. How much compound B I need to use? Please show your work.
How to make a 10 mL saturated potassium oxalate solution using the potassium oxalate Mw = 184.23 g mol-1 and the Solubility of potassium oxalate in water at 25°C = 360 mg mL-1
How could you make 500 mL of a 0.1 M glycine HCl solution? the MW of glycine is 75.07 and assume you have 6.0 M HCl available.
How much sucrose do you need to make 50 ml of a 10% solution? Sucrose is a solid with a molecular weight of 342.3. Show your calculations, and give complete instructions.
if I want 25ml of 10% solution and my stock solution is 50% ,How many ML do I need of stock?How many ML do I need of diluent ?
1. How much of a Na2Co3 stock solution do you need to make 150 ml of a 5 % Na2Co3 working solution ( mw=105.99g/mole) 2. You purchased a t7 DNA ligase , a 10x buffer [50mM tris ph 7.5, 100mM Na2co3, 70mM ATP, 250ug/ml bovine serum Albunium ] is supplied with it. what is the final Molarity of Tris and Bovine Serum Albumin when you use the ligase enzyme to perform a ligand reaction? I know the answer to it...
1- a- How do you prepare 600 mL 4 N H2SO4 solution using 50% Sulfuric acid stock solution (d: 1.403 g/mL MW:98g/mole)? b- If you took 10 mL from this sulfuric acid solution (4N) and diluted to 1000 mL, what would be the % (w/v) and ppm concentration of the final solution.