Please answer this part: Determination of buffer capacity Buffer Buffer capacity Base added Desired pH Volume added solution 0.10 M HCI 0.10M NaoH Acid added 3.0 4.0 6.0 8.0 9.50 9.0 13.0 123 4 567

Q: g/mol molar mass of C,H,FeO14 %3D How many moles are in a supplement containing 65.0 mg C,,H„FeO4?…

A: Ferrous gluconate, or iron (II) gluconate, is a black compound often used as an iron supplement. It…

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A: Amino acids are composed of a central chiral carbon, hydrogen, an alpha-carboxylic group, an…

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: Describe, stepwise, how you would prepare 0.5 L of a 0.15 M phosphate buffer, pH 12.5, using…

A: The equilibrium between the weak acid and its conjugate base allows the solution to resist changes…

Q: Concentration You have to Chemical formula weigh Final volume of solution [mL] Miligram percent mg%…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 2. A 1.00 g sample of X and Y enantiomers has a % optical purity of 65.5. What is the mass % of each…

A: Given Optical purity of 65.5% 1 g sample with X and Y enantiomers It means that the major enantiomer…

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A: Given: - In 1000 mL (1 liter) of drinking water = 7.9 mg calcium So, in 1 mL of water, the calcium…

Q: What mass of potassium nitrate KNO3 should be added to 255 g of water to prepare a 15% (m/m)…

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Q: 4. Read the absorbance at 595nm of the blank and test solutions. Calculate the protein concentration…

A: Bradford method of protein assay is a method used for the determination of the concentration of…

Q: Q1: Which has a higher concentration of free hydrogen ions: vinegar, pH 2.8; or milk, pH 6.5? Q2:…

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

Q: The concentration of a certain sodium hydroxide solution was determined by using the solution to…

A: Given: KHP is an acid with 1 acidic hydrogen Mass of KHP =0.3520 g Molar mass of KHP =204.22 g/mol…

Q: Guanosine (C10H13N5O5) in solution has a maximum absorbance at a wavelength of 275 nm. The molar…

A: The Absorbance of a molecule/substance is related to its concentration and the path length of the…

Q: 2. 500 ml of a 0.1 M sodium phosphate buffer with pKa = 7.21, is diluted a) How would you dilute…

A: Normality is described as the number of gram or mole equivalents of solute present in one liter of a…

Q: Titration curve of tripeptide HAY 14 13 12 11 10 7. 10 15 20 25 30 Volume 0.1M NaOH titrated Hd

A: The isoelectric point (pI) of a peptide is the pH of a solution at which the net charge of a peptide…

Q: Question: What is the most effective buffer against bases? 6. Determination of buffer capacty Buffer…

A: Buffers are generally good over the range pH=pKa  ± 1.  The ammonia buffer would be effective…

Q: 50 microliters of your original sample to the Bradford reagent. What is the concentration of your…

A: Proteins are made up of amino acids that have been polymerized. As a result, amino acids are…

Q: Standarad curve for blood alcohol 14 y=2.5274x R:= 0.9965 12 1 0.8 0.6 0.4 0.2 0.1 0.2 0.3 0.4 0.5…

A: Graph is obtained on the basis of Lambert- Beer's law. The graph is slightly blur but this is the…

Q: Question attached

A: Molarity (M)=number of molesvolume of solution in litre=massmolecular massvolume of solution in…

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Q: The-carotene molecule has λmax 450 nm and ɛ = 15.000 m2 / mol. Calculate the expected absorbance…

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Q: 20 mL solution is 2 M NaOH. If 0.5 M HCl is to be added to this solution, calculate the pH of the…

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Q: 4. A 1.0005 g sample contains selenite was determined using Fajan's method by performing a titration…

A: The correct option is (d). 1.372%

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Q: Estimate the pH of a 7.18 x 106 MHF solution. You can calculate the lowest possible pH, knowing that…

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

Q: A base is added to a 0.050 M solution of MnClz, raising the pH gradually. Calculate the pH of the…

A:

Q: Question attached

A: Molality: The number of moles of solute per kilogram of solvent is defined as molality.Molality is…

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Q: 4. A 100.0-mL sample of brackish water was made ammoniacal, and the sulfide it contained was…

A: Introduction Using the formula C1×V1=C2×V2C1=C2×V2V1

Q: 780 mL of a solution that is 0.0160 M in K, starting with solid K4 Fe (CN),- Dissolve g K4 Fe (CN)6…

A: Molarity = n/Volume of solution(in L) n = number of moles 1 L = 1000 ml 1 ml = 0.001 L 780 ml = 0.78…

Q: 1. A solution containing polymer of an unknown structure, and with an approximate molar mass of 1.75…

A: Osmotic pressure can be defined as the minimum pressure that must be applied to halt the flow of…

Q: A 1.00 g sample containing NaHCO3 was dissolved in water and titrated using 0.500 M HCl. The sample…

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Q: In a titration experiment, potassium iodate serves as the primary standard. Potassium iodate (KIO3)…

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Q: 3. Astelin nasal spray contains 0.1% azelastine hydrochloride and 400 µg/mL of benzalkonium chloride…

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Q: Indicate the COOH-pKa value of the HAY tripeptide on the titration curve. Titration curve of…

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Q: A 10.00-mL aliquot of unknown oxalic acid solution required 15.44 mL of 0.011 17 M KMnO4 solution to…

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Q: What is the molarity of 25.79 g of Cl2 dissolved in 500 mL of solution. (Hint: convert from grams to…

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Q: how many grams of sr(no2)2 are needed to make 200 ml of 0.300M solution of sr(no2)2

A: Molarity is defined as the number of moles dissolved per 1000 ml of solution.

Q: You have a solution that is 18.5% (v/v) methyl alcohol. If the bottle contains 2.70 L of solution,…

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Q: Standard protein NaCl (ml) solution* (ml) 0 0.1 0.2 0.3 0.4 0.5 Table 1.... 898765 1.0 이이이이이 0.9 0.8…

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Q: It required 66.66 mL of 2.000 M HBrO3 to titrate (neutralize) 50.00 mL of an AI(OH)3 solution. What…

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Q: You are supplied with the following:   NaCl (Mr = 58.443 g/mol)   250 mM Tris-Cl, pH 8 solution (1…

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

Q: A mixture containing only KCl and NaBr is analyzed by the Mohr Method. A 0.3172-g sample is…

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Q: original molarity= .548 A 5.00 mL sample of this KOH solution is added to a 100 mL volumetric…

A: Molarity can be calculated using the formula: M1V1= M2 V2 , where  M1= Molarity of original solution…

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Q: Compare the solubility of lead carbonate in each of the following aqueous solutions: Clear All 0.10…

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