Show how to make up 500ml of 0.5M Tris-HCl at pH 8.8
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A: The correct answer is option,g. = 4.2
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…
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A: Correct answer is 22.5 ml Examplnation given with image in step 2
Q: You have a 62% dextrose solution. How many mL will give you 35 g of dextrose?
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A: Buffers are the solutions that resist the change in pH after the addition of a small amount of acid…
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Q: briefly explain a. K-Mer b. B ion c. HDR
A: In molecular biology various mechanisms and terms are used to carry out the processes.
Q: Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of the…
A: Molarity is considered as the moles of solute present in the solution.
Q: You need to prepare an acetate buffer of pH 5.43 from a 0.621 M acetic acid solution and a 2.95 M…
A: At equilibrium 0.40875 - x moles of acid x moles of its conjugate base. Initial moles of CH3COOH…
Q: How will you prepare a 5% BSA solution? Show all your steps.
A: BSA stands for bovine serum albumin, which is a protein extracted from cows' serum albumin. In lab…
Q: Calculate the theoretical pH of a Tris buffer (pH 8.0) at 0 ºC. Assume that room temperature is 22…
A: pH = pka + log(c_base/c_acid) at 25°: pH = -log(1.76*10^-5) + log(0.117/0.213)
Q: 4. 25.0 mL of an unknown acidic solution was titrated with 42.7 mL of a 0.15 M NaOH solution. What…
A:
Q: What is the molarity of a NaOH solution if 48.0 mLneutralizes 35.0 mL of 0.144 M H2SO4?
A: An acid–base reaction is a chemical reaction that occurs between an acid and a base. It can be used…
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A: Acid and base react to produce salt and water. In some reactions, gas may also be released (hydrogen…
Q: What is the m/v % concentration of a solution of LiCl with a density of 2.07 g/mL in 40.0 mL of…
A: Given Values: Mass or weight of LiCl = 2.07 grams The volume of the solution = 40 ml The density of…
Q: How much magnesium chloride hexahydrate (MW = 203.3 g/mol) is required to make a 500 mL solution ata…
A: MW = 203.3 g/mol Concentration = 10 mmol/L Volume = 500 ml solution = 500/100 L = 0.5 L
Q: What is the pH of a 0.00550 M solution of HCl?
A: Strong acids completely disassociated into ions in solution but weak acids do not. The pH of the…
Q: Calculate the concentration of Y4-ion in 0.0100 M EDTA solution at pH 6. α4 = 2.2 x 10-5 for pH 6.
A: Introduction Fraction of EDTA in the form of Y4- is given as αY4-= [Y4-][EDTA]
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: 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: 28. Locke-Ringer's solution contains 9 g of sodium chloride, 0.24 g of calcium chloride, 0.42 g of…
A: Locke- Ringer's Solution: Ringer's solution is a mixture of salts mixed in water that is used to…
Q: How many liters (L) of a 5.0% (m/v) glucose solution would you need to obtain 75 g of glucose?
A: 5.0% glucose means 5 g of glucose is dissolved in 100 ml of water. Therefore : 5g in 100 ml of water…
Q: Prepare a 75 ml of a 10% (w/v) FeCl3 solution. How many grams of FeCl3 must be weighed out and…
A: Given Values: Volume of FeCl3 solution = 75 ml Concentration of the FeCl3 = 10% (w/v)
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A: Molarity is defined as the moles of solute per litre of the solution. Hence, our target is to make…
Q: You need to prepare 1L of a 5×TE stock solution (1×TE buffer:10mM Tris,1mM EDTA).How much of Tris…
A: The mole is used as a unit in the SI system to quantify the amount of substance present. One mole is…
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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: How many milliosmoles (mOsmols) are contained in a 250-mL of 5% dextrose in water? MW Dextrose 198…
A: Dextrose Exists as a monohydrate.
Q: How many grams of CuSO4 would you use to make 1 L of an 8 g/L CuSO4 solution?
A: Given Values: Volume = 1 L Concentration of CuSO4 = 8 gL
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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: Suppose you wanted to make a buffer of exactly pH 7.00 using KH2PO4 and Na2HPO4. If the final…
A: The buffer solution is a solution which resists any change in pH on addition of small amounts of…
Q: What is the ratio of TRIS/TRIS-H+ in a TRIS buffer at pH 8.7?
A: TRIS is tris aminomethane. It is an organic compound. It is mostly used as a component of buffer…
Q: How many grams of Cl2 are needed to react with 50.0 g of CH4?
A: As we know to react with the CH4, 2moles of Cl2 are required. So following is the balanced chemical…
Q: You are preparing 1 Lt of TAE (Tris Acetate EDTA) gel running buffer from a 50x stock solution. How…
A: In a gel running buffer 1x TAE buffer is used. Given, Final volume = 1 liter Stock solution is 50x…
Q: How many moles of Nal would be found in 250mL of a 4.5 M solution? Write your answer with three…
A: Molarity (M) is calculated as the number of moles of solute per liter of solution (moles/Liter).
Q: How would you prepare 3L of a basic buffer having a pH of 8.6 where the concentration of base is…
A: A buffer solution is any solution that is a mixture of weak base and its conjugate acid or…
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Q: What volume of 0.10NH2 SO3 will be required to neutralize a solution containing 10.0grams of…
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Q: An IV of 650cc of 5% dextrose contains how many grams of 5% dextrose?
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Q: How would you dilute 0.1 M boric acid in 1:10 ratioto 0.01M?
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Q: Calculate the [OH] and the pH of a solution with an [H] = 5.6 x 10-10 M at 25 °C. [OH] = pH =…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Show how to make up 500ml of 0.5M Tris-HCl at pH 8.8
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- What is the pH of a 0.00550 M solution of HCl?You have 150 g of dextrose available and you need to compound a 20% solution. If you use the entire amount of dextrose, how many mL of 20% can you make?TE buffer consists of 10 mM of Tris-Cl, pH 7.6 and 1mM of EDTA, pH 8.0. You need to prepare 3L of TE buffer and you have the following stock solutions: 500 mM Tris-Cl and 1 M EDTA. How will you prepare the 3L of TE? Write work clearly