You are provided with a stock solution of 80 mM ATP. How much of this solution do you need to add to how much distilled water to get 100 mL of 15 mM ATP solution?
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You are provided with a stock solution of 80 mM ATP. How much of this solution do you need to add to how much distilled water to get 100 mL of 15 mM ATP solution?
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- You are provided with a stock solution of 80mM ATP .Hpw much of this solution added to how much distilled water do you need to mix to get 100mL of 15mM ATP solution?You have been provided with stock solutions of: stock A: 0.06 M sodium pyrophosphate buffer pH 8.5 stock B: 3 M ethanol stock C: 0.015 M NAD+ stock D: milli Q water Determine the volume you will need of each solution to prepare a buffer of with a final volume of 60 mL containing 10 mM sodium pyrophosphate pH 8.5, 100 mM ethanol, 1 mM NAD+. i.e. volume of stock A = _________mL volume of stock B = _________mL volume of stock C = _________mL volume of stock D = _________mL Show your calculations to arrive at your answers.3 mL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following values. The substrate molecular weight is 125 g/mol. Calculate the following values: Substrate Volume in mL Dilution Factor Substrate number of moles Substrate concentration for the diluted solution in mM Substrate concentration for the diluted solution in mole/L Substrate concentration for the diluted solution in mg/mL
- A buffer contains 0.015 mol of lactic acid (pK₁ = 3.86) and 0.080 mol of sodium lactate per liter. H₂C OH Lactic acid OH Calculate the pH of the buffer. H₂C. Calculate the change in pH after adding 9.0 mL of 0.10 M HCl to 1.0 L of the buffer. O OH Sodium lactate Calculate the change in pH after adding 9.0 mL of 0.10 M HCl to 1.0 L of pure water. O Na+ buffer pH: buffer pH change: water pH change: units unitsFrom a 50% solution of dextrose, make 500 ml of a 5% solutionYou have a stock solution containing 1.5 mM of substrate in borate buffer pH 9.5. You transfer 1.25 mL of this stock into a cuvette and then add 250 µl of enzyme solution to initiate the reaction. What will be the final concentration of substrate in the cuvette following addition of the enzyme? 1.5 mM 1.25 mM 0.0075 mM 7.5 mM 1250 mM
- How much of the enzyme proteinase k (solute) is required to make 250ml of a solution with a concentration of .01mg/ml? (Weight/volume ratio)You just made a 1.5M permanganate solution. What concentration is your potassium permanganate solution in percent? "K: 39.10 g/mole" "Mn: 54.94 g/mole" "O: 16 g/mole" "MW of KMnO4 is 158.04 g/mole" O a. 0.24% Ob. 20.1% O c. 15.8% O d. 23.7% O e. 2%You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA. You have stock solutions of 20% BSA, 1.5M KCl and 200mM EDTA. What volumes of BSA, KCl, EDTA and water would you require to make up this solution? MW of KCl is 75.55. MW of EDTA is 292.24, MW of BSA is 66463)
- If your 16x concentrated stock solution contains 20g of NaCl per liter, how much Nacl would one liter of your working solution contain? Round your result to 2 decimal points. g of NaclThe standard curve to determine the amount of betacyanin is shown below. You extracted a red pigment from a beet disc (the mass of a disc is 2 g) using 10 ml of 20% ethanol solution. You measured absorbance of the solution above the beet disc every minute for a total time of 20 minutes. The increase in absorbance was linear during a period of time from 1 min to 10 min. The absorbance at 10 min was 0.8. Calculate the amount of betacyanin extracted from 1g of a beet tissue per minute. Explain your calculations. You can use Excel or a calculator.I want to make a buffer solution containing 1 M glycene pH = 10 (Na+), 1 mM ZnCl2 , 1 mM MgCl2. I have the stock solutions 1 M glycene, 1 M MgCl2, 1 M ZnCl2, and 10 M NaOH. My final volume of buffer solution needs to be 250ml. how much (in ml) of each solution should i put into my buffer?