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)

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 copper ion remains at equilibrium?

A:

Q: clinical technician finds that the activity of a sodium-24 sample is 1088 cpm. What will be the…

A: The elimination half-life of a drug is defined as the time it takes for the concentration of the…

Q: Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)

A: Molarity is the number of moles of solute per litre of solution.

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: Consider a solution of glucose in water that is 5.25% by mass glucose. Calculate the indicated…

A: Water contains 5.25% by mass glucose. Mass of the solution=225g  Therefore, Concentration of…

Q: 8 7- 6- 2- 1 405 180 225 270 315 [Substrate] (nM) 45 90 135 360 450 495 540 58! What are the units…

A: Solution   Michaelis menten kinetics is one of the best models of enzyme kinetics.   Value of…

Q: You record the absorbance of your unknown BSA sample at 0.276. What is the concentration in ug/mL of…

A: Standard curve can be used to determine the concentration of unknown sample by determining their…

Q: When 2.43 g of a nonelectrolyte solute is dissolved in water to make 435 mL of solution at 25 °C,…

A: The compounds which will not ionize in any solution are called nonelectrolytes. The electricity will…

Q: The substance oxygen has the following properties: normal melting point: 54.8 K normal boiling…

A: There are three most common states of matter: solid, liquids, and gases. These states of matter can…

Q: Cao (s) (calcium oxide) is the main ingredient of concrete. While mixing Cao with water, the mixture…

A: Given that the CaO reaction with H2O gives out heat and forms Ca(OH)2 in the product. So the…

Q: constructing

A: NORMALITY ASSUMPTION : The normality is a property of random variable that is distributed according…

Q: Provided Stock solution of Coomassie Blue: 0.500 mg/mL Volume of 0.500 mg/ml Solution Dilution to ID…

A: For calculating volume and concentration,  we should follow the formula V1S1 = V2S2where, V1 =…

Q: Rank the following aqueous solutions in order of increasing vapor pressure. work for this question.…

A: Several physical properties such as boiling point and melting point change depending on the number…

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: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…

A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…

Q: A chemist is performing a precipitation titration on a 1.00 L sample containing an unknown…

A: Titration is the process, in which the exact concentration of the unknown solution can be used to…

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: alculate the concentration in mmol/L of the chemist's aluminum sulfite solution. Be sure your answer…

A: Molarity It is defined as the number of moles of a substance dissolved in 1 litre of a solution.…

Q: How many grams of NaOH would you need to make 7,252 mL of a 230 mM NaOH solution (m.w. = 40.00…

A: Answer- Here molarity of the solution is provided and requires the amount of weight of NaoH.

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

A: Calculations for a substrate solution's dilution are related to the subject addressed above. A…

Q: föllowing would dispersion forces be the most important factor in determining physical properties in…

A: The London dispersion forces are defined as the weakest existing intermolecular forces. It is a…

Q: A 0.578-g saltwater sample was titrated with 1.864 g AgNO3 solution to reach the endpoint of the…

A: AgNO3 and saltwater titration Weight of AgNO3 = 5g  In 100 ml water solution is made. 1.864 g AgNO3…

Q: How many mL of 0.254 M NaOH are needed to fully react with 37.50 mL of 0.358 M H2SO4?

A: Concentration of the NaOH = 0.254 M Conc. of H2SO4 solution = 0.358 M or conc. of [H+]=2×0.358 M…

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

A: The concentration of a solution is expressed in terms of the ratio of the amount of solute present…

Q: B. You will need approximately 1 ml of the 100 µg/ml bromophenol blue (which is your most…

A: The stock concentration is 1mg/ml.Working solution concentration is 100 ug/ml. As both are two…

Q: 10 mL of 0.5 M CuSO₄ * 5H₂O solution from 10 M CuSO₄ * 5H₂O solution

A: CuSO₄ * 5H₂O solution is copper sulphate pentahydrate solution. The concentration of stock solution…

Q: You have been provided with stock solutions of: stock A:     0.06 M sodium pyrophosphate buffer pH…

A: Buffer preparation fro stock solution: The formula used for buffer preparation from stock solution…

Q: Chloroform is a volatile (readily changes from liquid phase to gaseous phase) once commonly used in…

A: Chloroform is an organic compound which is colorless, strong-smelling, dense liquid with a formula…

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…