What volumes of 50 mM CH3COOH and 30 mM NaCH3COO solutions are needed to prepare 2L of 20 mM acetate buffer pH 3.6? (pKa for acetic acid is 4.74)

Q: How many ml 2M NaOH would it take to neutralize 20 ml of 0.5M HCI?

A: Given: Concentration of NaOH , M1 = 2 M Volume of NaOH, V1 =? Concentration of HCl, M2 = 0.5 M…

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…

A: Here given that, there is 425 mL of 0.5M glycine buffer at pH 10.4425 mL is equal to 0.425 L…

Q: What is the molarity of a 30% solution of NaCI

A: Let us first define the percentage solution : 30% NaCl solution= 30% w/v solution = 30g/100 ml.Since…

Q: Determine the pH for the following solutions.  {H3O+}=2.4x10^-2 M

A: p in pH denotes negative of the logarithm(-log). So pH is negative logarithm of molarity of H pH…

Q: As a technician in a large pharmaceutical research firm, you need to produce 200. mL of 1.00 M…

A: Given Values:  pH of the potassium phosphate buffer required = 6.96 pKa value of the potassium…

Q: 1. (a) Perform the calculations required to prepare 100ml of 0.20M sodium acetate buffer of pH 5.40…

A:

Q: What volume of 0.1M NaOH (reagent) needs to be added to increase your 7.5 pH (buffer) by 0.5 pH…

A: The buffer is a species which resist any change in pH on adding small amounts of an acid or base in…

Q: You need to make a protein buffer of: 100 mM NaCl ⚫ 25 mM Tris 8 • • 5% w/v glycerol 2 mM DTT Your…

A: In order to calculate how much of each component we should use to get the required buffer, we need…

Q: The isoelectric point of eIF4a is 5.02. Students are given a sample of cell lysate containing eIF4A…

A: Ion Exchange Chromatography (IEC) is a chromatography technique whose ability to separate analytes…

Q: How many grams of sodium chloride are needed to make 0.60L of 2.3M sodium chloride solution

A: The concentration of a solution is expressed in molarity. Molarity is defined as the number of moles…

Q: Please show the work clearly

A: Buffers are aqueous solutions present naturally in biological systems. The biological buffers that…

Q: A buffer solution contains an equal concentration of weak acid HX and its conjugate base ion X™. The…

A: The objective of the question is to calculate the pH of a buffer solution containing equal…

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

A: TAE is a standard buffer for the preparation and operation of DNA agarose gels. TBE provides…

Q: Calculate acetic acid when it requires 44.82mL of a 0.145M NaOH solution to titrate 34.95 mL of our…

A: M1VI=M2V2

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

A: A buffer is defined as an aqueous solution that has a mixture of a weak acid and its conjugate base…

Q: Calculate the pH of a buffer that contains 0.75 M acetic acid and 0.35 M acetate ion in 1 L…

A: The objective of this question is to calculate the pH of a buffer solution before and after the…

Q: How many milliliters will you administer?

A: The dosage calculation helps to prevent the medication errors associated to the administration of…

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

A: TAE buffer stands for Tris-acetate-EDTA buffer. It is used in lab to do electrophoresis of nucleic…

Q: Acetic acid is the principal ingredient in vinegar as shown; that's why it tastes sour. At…

A: An acid dissociation constant (Ka) is the equilibrium constant for a chemical reaction which is…

Q: Shown below is the titration curve for phosphoric acid. At what pH is the solution entirely in the…

A: It is a clear colourless liquid,having no odour and transparent. It is a weak acid and contains one…

Q: PK 12.5 HO. ОН PK,43 Compound X О

A: The compound X has two distinct stages, corrresponding to deprotonation of two different groups. At…