The concentration of the conjugate base in 100 mL of 50 mM CH3COOH/CH3COO- (pKa = 4.76) at pH 5.00 is ______mM. If 100 μL of 1.0 M NaOH is added, the buffer pH is expected to shift to_______       .

Q: How much of the enzyme proteinase k (solute) is required to make 250ml of a solution with a…

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Q: Below is a trace from an analytical gel-filtration column upon which a single sample containing a…

A: Gel filtration column is used in gel filtration chromatography (GFC) technique. GFC is also known as…

Q: What is the pH at the equivalence point in the titration of a 16.2 mL sample of a 0.402 M aqueous…

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Q: 22. If 75 mls of 0.02 M HCI is added to 425 mls of 0.5 M glycine buffer at pH 10.4, what is the…

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Q: The normal freezing point of benzene (C6H6) is 5.5 °C. If 30.92 grams of the nonvolatile…

A:

Q: How to create a 750 uL of XS buffer (with compositions 1% potassium ethyl xan- thogenate; 100 mM…

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Q: If a pharmacist needs to prepare a bacterial suspension with a concentration of 2.4x10^2 cfu using 1…

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Q: (MB = methylene blue) What is the concentration of the sample of the substance with the reporter…

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Q: if you had a protein sample solution of unknown concentration which gave an absorbance of 0.992…

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Q: An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper…

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Q: How many mL of the 1 M glucose stock solution do you need to prepare 100 mL of a 1 mM glucose…

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Q: What volume of Water for Injection, BP to be added to a vial containing 1000 mg of drug A to produce…

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Q: 50 mL of 5mM NaCl solution from 1 M NaCl solution

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Q: You are given two proteins with a pI of 4.5 and pI of 7.7. In an example of an anion-exchange…

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Q: 3 mL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following…

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Q: A vial containing 400 mg hydrocortisone sodium succinate powder for injection is to be reconstituted…

A: GIVEN: Amount of hydrocortisone sodium succinate powder for injection = 400 mg Volume of injection =…

Q: Calculate the pH of a buffer that contains 0.15 M MOPS anionic form and 0.25M MOPS zwitterion.  The…

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Q: a MD order 15 millimoles of potassium phosphate (MW 136). How any milligrams are need for this does.…

A: Empirical Formula: H2KO4P Formula Weight (g/mol): 136g/mol Desired concentration: 15mM

Q: Your supervisor asks to make 350 mL of a 0.75% (w/v) starch solution using a 5% (w/v) stock…

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Q: What is the pH of a buffer  of a buffer system that contains a weak acid of .19 M  and conjugate…

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Q: You are asked to prepare HEPES buffered saline with the following constituents: НЕРES 10mM KCI 5mM…

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Q: Consider a mixture of two proteins with molecular weights of 20,000 and 200,000. For simplicity of…

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Q: Figure 3: ● • . ● KDa ● 97.4 66.2 45.0 ● 31.0 21.5 14.4 S-1 p-1 2.8 2-d S.3 p-3 This figure was…

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Q: To prepare 500 mL of a 1X TAE buffer solution, we need to mix solution (so 25 times more…

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Q: Cyclophosphamide, after reconstitution, has a concentration of 20 mg/mL. The patient, who weighs 67…

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Q: An amino acid mixture of phenylalanine, glycine and glutamic acid is to be separated by paper…

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Q: used as a what would be the ratio of conjugate base to weak acid in a pH 7.00 C Choose the on

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Q: Consider the titration of 30.0 mL of 0.0700 M HONH2 (a weak base; Kb = 1.10e-08) with 0.100 M HI.…

A: pH is generally a measure of a solution is how acidic/basic water they are. The range normally…

Q: What kind of buffer would you make with a optimal activity at ph 4.30?

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Q: 67. Purified water contains not more than 10 ppm of total solids. Express this concen- tration as a…

A: PPM is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter…

Q: Calculate the volume of TAE buffer that you will need to prepare a 100ml solution of 1X strength…

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Q: 2+ What is the Pb when 25.0mL of a 0.100MPbCl₂ (aq) 2 solution is added to 25.0mL of 0.150MCaCl ? K…

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Q: What would be the working stock concentration (in molarity) if you diluted 250 uL of a stock…

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Q: A stock solution has a concentration of 3.04 NE tf 29.4 mt. of the stack solution is cliluted to a…

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Q: PK 12.5 HO. ОН PK,43 Compound X О

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Q: An aqueous solution contains 0.448 M dimethylamine ((CH3)2NH). How many mL of 0.240 M hydroiodic…

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Q: An aqueous solution is 3.50 % by mass hydrochloric acid, HCl, and has a density of 1.02 g/mL. The…

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Q: Tris NaCl buffer is known as?

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Q: you get an order of 5% amino acid 15% dextrose premixed parenteral nutrition solution, 2L at…

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Q: A concentrated lidocaine solution contains lidocaine 1 g/5 mL. How many milliliters of this…

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Q: When 300 mL of 0.0010 M Ca( NO3)2 solution is added exactly to 500 mL of 0.0015 M K3PO4 solution,…

A: I have provided the answer above for you. See the answer I provided above to understand the given…

Q: A buffer solution is composed of 1.00 mol of acid and 1.75 mol of the conjugate base. If the p pH of…

A: The pH of a buffer solution is determined by the balance between the concentration of the weak acid…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.