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

Q: People often take milk of magnesia to reduce the discomfort as- sociated with acid stomach or…

A: It is chemical reaction where acid and base react quantitatively with each other to form water and…

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

A: A protease (also called a peptidase or proteinase) is an enzyme that catalyzes proteolysis.…

Q: How much of a 10x buffer should be added to 900ml of water to make a 1x solution?

A: In this question, we are given with- 1. Concentration of stock solution= 10X 2. Required…

Q: Indicate whether a solution will have more OH- or H+if the value of the solution is 10

A: The pH of the solution determines the acidity or basicity of the solution by measuring the molar…

Q: Consider the titration of a 23.0-mL sample of 0.110 M HC2H3O3 (Ka=1.8\times 10−5) with 0.120 M…

A: volume of base required to reach equivalence point = (0.110 M x 23 ml)/0.120 M = 21.1ml of NaOH pH…

Q: You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire…

A: When we describe a concentration as a percentage without specifying the type of formula, we imply…

Q: ou have given two proteins with a pI of 4.5 and pI of 7.7? Using an anion-exchange column, how can…

A: Ion-exchange chromatography: The method involves the separation of ions and polar molecules based…

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

A: Ion exchange chromatography is an isolation and purification technique used to separate biomolecules…

Q: A buffer that contains 0.132 M acid, HY, and 0.204 M of its conjugate base, Y, has a pH of 8.87.…

A: Step 1:Henderson-Hasselbalch equation ispH = pKa + log [HY][Y−]​...(1)  Given, pH = 8.87[HY] = 0.132…

Q: what is a hydration number

A: Hydration refers to the interaction of a molecule or substance with water. Water interacts with…

Q: What is the pH of a solution of 4.1 x 10-8 M NaOH in otherwise pure water?

A: The objective of this question is to calculate the pH of a solution of sodium hydroxide (NaOH) in…

Q: You have a 100X stock of a buffer. You need 100 ml of 1X buffer.  How much buffer solution do you…

A: Stock solutions of the standard concentration are present in the laboratories. Using these stock…

Q: Calculate pH of buffer prepared by mixing; 10ml of 0.10M of CH3COOH and 20ml of 0.10M of CH3COONa.

A: A buffer is defined as the mixture of a weak acid and its conjugate base or weak base and its…

Q: What is the pH of a solution that has OH– concentration of 10-9 M?

A: pH is a scale value which is used to determine the acidity or basicity of the solution. The Acidic…

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

A: Buffers are made up of weak acid and their conjugate base or a weak base and its conjugate acid.…

Q: 12 grams of glucose will make how many mL of a 0.5 g/mL solution?

A: Given Values: Weight of glucose = 12 g Concentration = 0.5 gml How much volume of water needs to…

Q: What is the pH of a 6.7 × 10⁻⁶ M HBr solution?

A: Hydrobromic (HBr) acid is considered a strong acid, which means it gets completely dissolved into an…

Q: You made a buffer solution by combining 250.0 mL of a 0.20 M sodium acetate solution with 50.0 mL of…

A: Given Values: Volume and concentration of the sodium acetate = 250 m and 0.20 M Volume and…

Q: Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26…

A: Iso electric point: the pH at which the Amino acid exists in a zwitter ionic state us called iso…

Q: We usually say that a perfect buffer has its pH equal to its pKa. Give an example of a situation in…

A: A buffer is a solution that, when adding an acid or basic components, may resist pH changes. Limited…

Q: Define the following: - pH - Buffer - pKa

A: An acid-base reaction takes place between an acid and a base and is used to determine pH. An acid is…

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: Which of the following combinations would be the best choice to buffer the pH of a solution at…

A: Ans- NaH2PO4 and Na2HPO4 would be the best choice to buffer the pH of a solution because it has pka…

Q: Estimate the pH of a solution prepared by dissolving 1.0 × 10-10 mole of a strong acid in a liter of…

A: Analyze: We are asked to determine the pH of a solution prepared with a strong electrolytes that…

Q: A 25.00 mL sample of 0.320 M LİÖH is titrated with 0.750 M HNO3 at 25 °C. Calculate the initial pH…

A: Titration is a quantitative chemical analysis to determine the concentration of an identified…

Q: What is the pH of a 5.9 × 10⁻⁶ M HBr solution?

A: Hydrobromic acid, HBr is  an extremely strong acid, one that ionizes completely ionizes completely…