alculate the volume of saturated Ammonium sulphate to be added to a 499ml of protein solution to achieve a final saturation of 77% ( take the protein saturation as 0%)
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Calculate the volume of saturated Ammonium sulphate to be added to a 499ml of protein solution to achieve a final saturation of 77% ( take the protein saturation as 0%)
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- 5 mg of a protein is dissolved in 0.1 mL of distilled water (final volume) to give a final concentration of 0.5 mM. What is the molecular weight (in kDa) of the protein? Show your unit conversion step by stepHow do we keep relative supersaturation low by controlling solute concentration? concentration should be constant concentration should be higher concentration should be lower concentration should be fluctuating0.750 g of crude acetylsalicylic acid is recrystallized using ethanol as the solvent. The solubility of acetylsalicylic acid in ethanol at 78 oC is 15.45 g per 100 mL. a) How much hot ethanol is needed to dissolve the 0.750 g of acetylsalicylic acid? b) If the solubility of acetylsalicylic acid at 25 oC is 0.100 g per 100 mL, how much acetylsalicylic acid will be obtained after crystallization in ethanol at 25 oC? Use the volume from part A. c) What is the maximum percent recovery for this re-crystallization
- You are creating a standard curve for a protein experiment. You have to stock solution of BS a and would like to obtain dilutions. Explain how you would create a 1:1000 dilution of your protein stock solution.A substance suggested as a possible solvent for use in molecular mass determinations by freezing point depression is 1,4 dioxane. When 1.050 g of benzamide was dissolved in 22.77 g of 1,4 dioxane the freezing point of the solution was 99.7 degrees Celsius. The freezing point of 1,4 dioxane is 11.82. Calculate the molal feeezijgbpoint depression constant for 1,4 dioxane.Prepare the following solution quantitatively using boiled distilled water 1. 250.0 mL 1.0 M stock HCl solutionNOTE: Use the 3.0 M HCl solution from the pic Prepare the following solution quantitatively using boiled distilled water 1. 250.0 mL 0.0500 M standard HCl solution from 1.0 M HClpls compute how to prepare them
- Give good hand written explanation Asap What volume of concentrated hydrochloric acid solution would contain 2.1 mol of solute?In this experiment, it was assumed that the fatty acid solute did not dissociate in solution (i =1). How would your results have differed if the fatty acid dissociated into multiple particles in solution? We did a lab experiment where we used Lauric Acid. The lab is called MOLAR MASS DETERMINATION BY FREEZING POINT DEPRESSIONWhat will be the solubility of the sugar if dissolved in normal water, 60 degrees celsius water, and boiling water?
- What mass of BaCl2 is needed to dissolve in 1.2 kg water to prepare 0.500m BaCl2 solution?If a compound has a log Kow value of 6.5, what would be its predicted concentration (in ppm) in the fat of fish that swim in water containing 0.000030 ppm of that chemical?50.0 mL of a 0.60 M solution of pyridine in ethanol is to be prepared by measuring out a known volume of pure liquid pyridine and diluting to 500 mL with ethanol. The molar mass of pyridine is 79.1 g/mol, and its density at room temperature is 0.982 g/mL. What volume of pyridine is required for this solution?