I need option answer of 6

Q: pls answer d, e , f

A: See below

Q: Three solutions of Triblu indicator, all of equal concentration, were made at pH 1, pH 6 and pH 10.…

A: The absorbance of pH 6 at 620nm is calculated below.

Q: A solution of a specific vitamin has a åmax of 271 nm and a concentration of 2.73 × 10-7M. The…

A: Given that : Concentration of the solution (C) = 2.73 x 10-7 M Absorbance of the solution (A) =…

Q: Answer 6, 7 and 13

A: 6--- NH3 7----Ammonia 13---Sn(OH)4

Q: Answer Q38, 39,

A: Metal Oxide are basic in nature.

Q: If a 10 mg/mL solution of ovalbumin (mol. wt 42 kDa)  reacts with Biuret reagent, and has an…

A: Formula of Absorbance  is given as : A = e. C. l  Where ,  e = molar absortivity C = Concentration…

Q: What's ir

A: Nucleus contains two particles-1. protons and 2. neutrons.

Q: +1 charge O charge -1 charge Answer Bank HO HN Он Он NH, NH, NH, H,N N H NH, O NH, но HN HO но H,N.…

A: Following are the appropriate answers of the given questions.

Q: Find (M) for [FeSCN^2+] using the following info: 0.200 M (Iron (III) nitrate) Fe(NO3)3 (mL) = 17.98…

A: The volume of 0.200 M Fe(NO3)3 solution is 17.98 mL. The volume of 0.200 M KSCN solution is 1.97 mL.

Q: You measure the pH of your green solution, and find that it is 6.71. You measure the absorbance at…

A: In the given question we have to calculate the concentration of H+ ion and [Hind], [Ind-] by the…

Q: A solution of Tryptophan has an absorbance at 280 nm of 0.25 in a 0.5 cm length cuvette. Given the…

A:

Q: I need answer in letter A. (A b)

A: To explain the address of an electron in an atom four quantum numers are introduced   1. Princple…

Q: 3, What is Kb for CN⁻ at 25°C.  The Ka for HCN is 4.9 × 10-10? Group of answer choices 2.041 × 10-5…

A: According to guidelines i can answer only first question

Q: If a hypothetical ion channel is not selective and the permits the movement of sodium and potassium…

A: Solution: The reverse potential of each ion channel is given by Nernst Equation, where, R = 8.314…

Q: (88) (89) (90)

A:

Q: Calculate Kb for a 0.1 M solution of acetate ion, given that Ka for acetic acid is 1.8 x 10−5.

A: Given : Ka = 1.8 x 10-5

Q: 1. Fit a straight line to the following data points using excel program to obtain the concentration…

A: Beer's Lambert's law :

Q: Answer letter a to c

A: Given :- CHCl3 + Cl2  -----> CCl4 + HCl Given mass of CHCl3  = 35 gram Given mass of Cl2  = 35…

Q: I need the right answers ple

A: The -I effect of Bromine withdraws electron from Benzene ring. Hence tends to destabilize the…

Q: ergy diagra

A: When reaction is represented in terms of energy is potential energy curve. Starting stage represent…

Q: Question 5 A five-fold dilution was performed on a standard solution. The diluted solution will have…

A: Given that , A five fold dilution was performed on a standard solution.

Q: Answer Q43, 44, 45

A: The correct answer of  given question are given in step 2

Q: 2. What is the concentration (mM) of a solution of tryptophan if the absorbance at 280 nm is 0.850?…

A:

Q: Answer Q48, 49, 50

A: 48. Alcohols reacts vigorously with PCl5, secondary alcohol when react with K2Cr2O7 gives  Z is a…

Q: hi the answer you provided is not in the choices

A:

Q: Please give the both answer....

A: In an electrolytic solution, charges are dispersed throughout the solution. Due to the diffusion and…

Q: ANSWER THE FOLLOWING:

A: In given question we have asked for the IUPAC names of the given compounds.  The correct IUPAC names…

Q: 3.) A standard reference FeSCN2+ solution (0.020 M) has an absorbance 1.070. What is the…

A: Since the absorbance is proportional to the concentration of the ion. Hence we can say  A = K C…

Q: calculate the H+ in M for 0.620 M C2H5NH3Cl solution. Kb for solution is 5.60•10^-4

A:

Q: is it Positve, negative, or unknown

A:

Q: Volume vs pH 14 12 10 equivalence point 2 equivoler ce point - 10 15 20 25 30 Volume of base added…

A: As equivalence point is at pH 8 it means we have weak acid assume HA . So salt of weak acid have A-…

Q: hd See Periodic Table See Hint Calculate the pH of 1.25×10M solution of selenocysteine (pK,1 = 2.21.…

A:

Q: 27 (+/-), terminal (4)terminal Mg anode Salt bridge 1. 1 Electron flow 2. 2 3. 3 Direction of…

A:

Q: The best answer to report for 352.94 – 36.0342 is ?

A: The result of addition or subtraction cannot have more digits to the right decimal point than the…

Q: Please answer 3-6

A: Hey, since you have asked multiple question, we will solve the first question for you. If you want…

Q: tions are mixed. As noted earlier, you could do these calculations befo coming to the laboratory. 2.…

A: Given the concentration of test tube X = 0.080 M Concentration of test tube A = 0.200 M Absorbance…

Q: 78.9

A:

Q: If a copper (||) sulfate solution showed an absorbance 0.27 at 780nm in a 1.0cm what concentration…

A: The relationship between the Absorbance and concentration is given by  A = ECl where A = absorbance…

Q: Suppose you measure the absorbance of a yellow dye solution in a 1.00 cm cuvette (b=D1.00 cm). The…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Protein Z has an absorptivity (e) of 0.56 mL·mg1.cm 1 at 280 nm. You measure the absorbance at 280…

A:

Q: 4. Using this formula Cu = Au x Cstd. Astd Compute for the concentration of the uric acid of the…

A: Given,  Absorbance of unknown (Au) = 0.241 Absorbance of standard (Astd) = 0.109 Concentration of…

Q: What is the percent strength of 15 g Tinactin containing 0.15 g of tolnaftate power

A: Given : Mass of  Tinactin = 15g Mass of  tolnaftate power = 0.15g

Q: Questions (40 - 45) DIRECTION: Select the letter of the INCORRECT response. 40. Sc and Zn A) are…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: 8. HgO →

A:

Q: Which of the following is equivalent to the overall concentration of Mg-EDTA near the endpoint? a.…

A: Estimation of hardness of water using EDTA.

Q: htProblemID=D143793425&offset%3Dnext CHE154-H Gen Chem I Bronikowski S20 ints Part A a solution that…

A:

Q: Only 74,75, and 76

A: The structure of the compound represents the arrangement of atoms in space. The hydrocarbon chain,…