How would you make up 1 L of a 20X stock solution of the following buffer?  50mM glucose (FW=180.16) 25mM Tris (FW 121.1) 10mM EDTA (FT=372.24)  I think, I already calculated the grams of each one, but I don't know how to do the 20X Glucose: 9.008g Tris: 3.02g EDTA:3.72G

Q: Consider the titration of 50.0 mL of 0.0500 M NaCl with 0.100 M AgNO3. Calculate pCl at various…

A: In a titration of NaCl with AgNO3 Silver chloride is precipitated and is known as…

Q: 25.00 mL of 0.041 32 M Hg₂(NO3)2 were titrated with 0.057 89 M KIO3. Hg2+ + 2103 → Hg2(103)2(s)…

A: As per bartleby guidelines i have to solve only first question

Q: A 20.0 mL sample of 1.00 M NaOH was pipetted into a 500.0 mL of the evil buffer containing 0.20 M…

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Q: You are making 500 ml of an 0.15 M acetate buffer at pH 5.5 using solid sodium acetate (MW - 82.03…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A RbOH solution is titrated four (4) times against potassium hydrogen phthalate (KHP; FW=204.224)…

A: The given data is:   Mass of KHP(g) Volume of RbOH(mL) Trial-1 0.5373  42.49  Trial-2 0.5856…

Q: Consider the titration of 50.0 mL of 0.0500 M NaCl with 0.100 M AgNO3. Calculate pCl at various…

A: 1,2

Q: Use the Solver function in Excel to determine [Sr], [F], [HF], [OH], and [H] for a saturated…

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Q: What is the component concentration ratio, [Pr−]/[HPr], of a buffer that has a pH of 4.98? (Ka of…

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Q: 200.0 mL of each of the following are mixed together:  5.0 x 10-3 M NaF, 2.0 x 10-5 M Ca(NO3)2 and…

A: given: initial volume = 200 mL final volume 0f mixture = 3 x 200 mL = 600 mL final [NaF] = [F-]…

Q: What is the molar solubility of CaloH)2 if 1.0 g CaCl2 is added to 100 mL of a saturated Ca(OH)2…

A: The question is based on the concept of chemical equilibrium. We have to calculate solubility of…

Q: A chemist is titrating a 32.5 mL sample of 2.00x10^-3 M benzoic acid with 8.00x10^-4 M Ca(OH)2. At…

A: Given that: Volume of benzoic acid = 32.5 mL Concentration of benzoic acid = 2.00 x 10-3 M…

Q: Use the Solver function in Excel to determine [Sr²+], [F¯], [HF], [OH], and [H*] for a saturated…

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Q: How would you make up 1 Liter of the following buffer? (change mM into M) 40mM Tris (FW=121.1) 20mM…

A: Buffer is a solution that resists pH change when small amount of acid or base is added to it.

Q: liters of a 5% w/v boric acid so should be used to obtain the boric acid needed in preparing 1 liter…

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Q: Make 50 ml of the extraction buffer containing the following ingredients using the stock solution…

A: We need to make 50 mL of the extraction buffer.

Q: Direct titration: 10.00 ± 0.02 ml of an unknown KHP solution required 11.54 + 0.02 ml of 0.1010…

A: The concentration of an unknown KHP is calculated as shown below.…

Q: A student wants to prepare a standard solution of BSA. They create a stock solution of BSA by add…

A: Concentration of stock solution=0.174 g10 mL=0.0174 g/mL

Q: 25.00 mL of 0.041 32 M Hg₂(NO3)2 were titrated with 0.057 89 M KIO3. Hg2+ + 2103 → Hg₂(103)2(S)…

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Q: The buffer in this experiment is made of acetic acid HC2H3O2 and sodium acetate NaC2H3O2 (CH3O2- ).…

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Q: A 1L buffer solution needs to be prepared. The buffer will be composed of the following, 200mM tris,…

A: Given: buffer with composition 200mM tris, 400mM glycine, and 0.5% (w/v) glycerol. To find: volume…

Q: Calculate the solubility of Mg(OH)2 in 0.10 M NaOH. Calculate the solubility in grams/liter. MglOH)2…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Why is KHP (MW = 204.22 g/mol) preferred over benzoic acid (MW = 122.12 g/mol) as a primary standard…

A: KHP is often used as a primary standard for acid–base titrations because it is solid and air-stable,…

Q: The literature value for the Ksp of Ca(OH)2 at 25 °C is 4.68E-6. Imagine you ran th experiment and…

A: Ksp is solubility product. It is the product of minimum ionic concentration required to precipitate…

Q: 1. Solution A has 10mL containing 0.10 M NaCl and 10 M KNO3 while Solution B has 10 mL of 0.10 M…

A: Ionic strength is the measure of the total ionic species present in the solution.

Q: 5.) Buffer solutions contain salt (e.g. NaCI), real buffer and protease inhibitors. Imagine you…

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Q: Calculate the reagents needed to prepare 10ml of the Basic Common BER Reaction Buffer. Be sure to…

A: Dilution refers to decrease in concentration of active reagent. It is usually done by using dilution…

Q: You should determine how you will make the following solutions: 1- 0.8 M NAOH + 20 mM EDTA: Make 250…

A: Stock solution is a standard solution of high concentration. It can be diluted to lower…

Q: Researchers wished to mimic the conditions of the medial Golgi (pH = 6.3). Which of the buffers…

A: To make a buffer solution of given pH , the buffer is chosen such that the pH lies in buffer range .…

Q: Which buffer system is the best choice to create a buffer with pH = 7.30 ? HCIO2/KCIO2…

A: We would use Henderson Hasselbalch equation to calculate the ratio of concentration or moles of KClO…

Q: A 20 mL solution containing both Ca2+ and Mg2+ cations is diluted in to 100 mL. When 10 mL of this…

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Q: Match the following redox titration methods to their corresponding titrants. KMnO4 solution 12…

A: Match the following redox titration methods--

Q: How much amount (in grams) do you need to prepare the following solutions 500.0 mL 0.1000 M stock…

A: Concept: The molarity of a solution can be calculated as the number of moles of solute divided by…

Q: are doing a titration for a 30.00 ml mixture solution of 0.171 M in X and 0.100 M in CN titrated…

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Q: What mass of NH4Cl (Mw = 53.492 g mol-1) has to be dissolved in 750 mL of 0.25 M NH3 (pKa = 9.26) to…

A: 750 mL of 0.25 M NH3 pKa = 9.26 solution is mixed with a certain amount of NH4Cl to prepare a…

Q: You will be handling cells that are viable at pH 5.5. Which of the following buffer systems should…

A: Given options are : A. CH3COOH - CH3COO- , Ka of CH3COOH = 1.8 x 10-5 B. NH3 - NH4+ , Kb of NH3 =…

Q: 5g unknown sodium carbonate titrated with HCl. Two endpoints observed. TITRATION: 20mL of the…

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Q: The pH of the buffer solution is 4.0 while the pKa of the weak acid is 3.0. Compute for the molar…

A: Given the pH of the buffer solution is 4.0 while the pKa of the weak acid is 3.0. We have to…

Q: How can you prepare 30 mM Phosphate buffer of pH-6.6 using the correct combination of the chemicals…

A: A question based on buffer solution preparation, which is to be accomplished.

Q: Calculate the amount (in grams) of solid chemical needed to make a 1.25% (w/v) agarose gel, in 50 mL…

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Q: 5. Buffer and pH problems. Show your work below the problems (and on the other side of this needed),…

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Q: Need help figuring out the calculations for the stock solution please. Required Reagents 50 mM Tris…

A: We have a 1 M stock solution from which we need to prepare 50 mM solution of 400 mL.

Q: What is the molar solubility of CaF2 in 0.10 M NaF solution at 25 °C? The Ksp for CaF2 is 3.4 ×…

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Q: MISSED THIS? Watch KCV 17.4A, KCV 17.4B, IWE 17.6, IWE 17.7; Read Section 17.4. You can click on the…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Answer the following questions to find the mass (g) of dipotassium phthalate must be added to 250 mL…

A: The mass of dipotassium phthalate must be added to 250 ml of 0.0500 M phthalic acid has to be given,

Q: 25.00 mL of 0.041 32 M Hg2(NO3)2 were titrated with 0.057 89 M KIO3. Hg++ 2103 →→ Hg₂(103)2(s)…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: EDTA: 0.2 M solution KH2PO4: 0.4 solution Sodium Nitrate MW: 84.9947 g/mol A 150 mL buffer solution…

A: Volume of buffer solution = 150 mL…

Q: The solubility product of Zn(OH)2 at 25oC is 3.0 x 10-6 M3. Calculate the solubility of Zn(OH)2 in…

A: Welcome to bartleby ! We have to calculate Solubility in g/l

Q: 102A 0.2295-g sample of sodium oxalate (Na₂C₂O4-134g/mol; 97.8%) required 35.12mL of a potassium .…

A: Gram milliequivalent weight can be figure out by considering n factor for the sodium oxalate.

Q: One of the buffers that can be used for running an agarose gel is 1x TBE (tris borate EDTA) buffer.…

A: On dilution concentration changes but no of moles remain same. So, M1V1 = M2V2 M1: Concentration of…