Given the relationship between absorbance and equilibrium shift, why do you get an absorbance of 1.245 for addition of AgNo3 when absorbance of the reference solution is 0.526?

Q: Calculate the pH of a buffer solution containing 10.0 cm3 of 0.100 mol dm–3 NaOH and 20.0 cm3 of…

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Q: The sodiuṁ salt of 2-quinizarinsulfonic acid (NaQ) forms a complex with Al3+ that absorbs strongly…

A: (a) Given,

Q: 2) What are the values of E, pe and AG for the reaction in 1-i) when pH=8, [Mn²+]=104 M,…

A: According to the question we have, The pH is given by = 8 The concentration of the Manganese ion is…

Q: Calaculate the initial concentration of [Fe3+] and [SCN-] of a solution with 5 mL of 0.002 M…

A: The given data is written as follows The 5ml of 0.002 M of Fe(NO3)3 The 2ml of 0.002 M of KSCN The…

Q: A student prepared a calibration plot for a series of iron(II)-1,10-phenanthroline complex…

A: Molar absorptivity : Also known as molar attenuation coefficient , it measures how strongly a…

Q: Calculate the [FeSCN2+] using volumes of stock solutions. Presume that all the SCN– ions react.…

A: The data given is,

Q: A mixture is prepared by combining 10.72 mL of 2.52 x 10-3 M Fe(NO3)3 with 10.00 mL of 1.76 x 10-3 M…

A: Given that: Initial concentration of Fe(NO3)3 is 2.52 x 10-3 M. Volume of Fe(NO3)3 solution is 10.72…

Q: The molar absorptivities of an indicator HIn (Ka = 4.6 × 10-5) and its conjugate base In− at 630 nm…

A: The expression of beer's law is shown below: A =εbc where; ε = molar absorptivity b = path length c…

Q: A student collects the following data for the absorbance of a complex measured in 1.00 cm…

A: Absorbance ( A ) = molar absorptivity ( ε) x concentration(c) x path length (l)         or, A = εcl…

Q: Ksp (Q) values of lead(II) iodide Trial 1: 1.0 x 10-7             Trial 2: 7.5 x 10-8…

A: Solubility product is defined as the product of molar concentration of ions in a saturated solution…

Q: The kinetics of hydrolysis of acetylsalicylic acid (aspirin) under certain conditions of…

A: Beer-Lambert law gives the relation between the concentration and absorbance in a sample.…

Q: the moment of mixing. If, by chance, a pre 10-11. Given this information, will a precipi cause Q =…

A: Given,  Molarity of Mg(NO3)2 = 1.38×10-4 M Molarity of NaF = 1.76 ×10-4 M Solubility equilibrium…

Q: What is the molar concentration for a solution with a measured absorbance of 0.212 based on this…

A: According to Beer-Lambert’s law, the absorbance of solution can be expressed as:

Q: A student measures k for a certain blue dye to be 400.4 M-1 at 560 nm. What is the molarity of the…

A: According to the Beer's law the absorbance of any substance is directly proportional to the…

Q: 7. Simultaneous determination of cobalt and nickel can be based upon absorption by their respective…

A: Beer's law equation is; A = ε*b*C  If we compare this equation with the equation of straight like, Y…

Q: A 5.0 mL solution containing 3.36 pm Fe(Ill) ions is diluted to 50.0 mL by first treating with an…

A: We must ascertain the concentration of the FeSCN2+ complex generated as a result of the interaction…

Q: Given the following two equilibria: NiCO3(s) Ni²+ (aq) + CO32-(aq) HCO3(aq) + H₂O(l) — CO3²-(aq) +…

A: To solve this problem we have to calculate the equilibrium constant.

Q: A mixture is prepared by combining 11.18 mL of 2.31 x 103 M Fe(NO)3 with 10.0o0 mL of 1.89 x 103 M…

A: Given that : The volume of Fe(NO3)3=11.18 mLMolarity of Fe(NO3)3=2.31×10-3MThe volume of KSCN=10.00…

Q: Write the expression for Kc for the reaction Fe₂S3(s) ⇒ 2 Fe3+ + 3 S² (aq) (aq) Kc = [2Fe³+1²…

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Q: 1. A student collects the following data for the absorbance of a complex measured in 1.00 cm…

A: Many complexes with the extended π-conjugation are found to be colored. Example: Allura red. When…

Q: concentration for a solution having an absorbance of 0.350 and a molar absorptivity of 420 L mol-1…

A: Absorbance is directly proportional to concentration

Q: 1. The following data was recorded for the phosphorescence intensity for several standard solutions…

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Q: Water from Jordan Lake was analyzed for its Fe³+ content. A 20.0-mL sample of lake water was…

A: First, we have to calculate the value of the molar absorptivity constant, ε using the concentration…

Q: A second calibration standard solution of an iron(III) salicylate complex was prepared in two steps.…

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Q: Using the reaction below and mixture 1 volumes, a student mixes Fe(NO3)3 with KSCN, and calculated…

A: Equilibrium constant (Keq) is ratio of concentration of products and reactants raise to its…

Q: AgOH(s) + H30*(aq) + Ci-(ag) 2 AgCl(s) + 2H2O (R11) Write out the reactions that would occur if…

A: Silver hydroxide reacts with chloride ions to form the precipitates of the silver chloride. The…

Q: You measured the absorbance of a solution of 0.2 mM NADH at 340 nm and the reading was 0.55.…

A:

Q: (4) Assume that the change in concentration of N2O4 is small enough to be neglected in the following…

A: If the value of kc is very small, it indicates that only a small amount of the reactant is converted…

Q: Ben ran through the experiment and found the best-fit line listed below for his standard calibration…

A: Given , absorbance of solution = 0.432  Volume of 0.002 M iron(III) nitrate = 5.00 mL Volume of…

Q: If, at equilibrium, the solution prepared in Problem #1 has an absorbance of 0.36, what is the…

A: The absorbance of a solution directly related to the type of solute and concentration of solute.

Q: Consider the calibration data in the table below. Construct the equilibrium concentration of FeSCN2+…

A: Applying Beer-Lambert's law, A=ϵ⋅c⋅lSince the path length (l) and molar absorptivity (ϵ) are…

Q: Calculate the molar concentration of Fe3+ and SCN- in each of the three unknown samples (sample…

A: The molar concentration of a species in a sample is defined as the number of moles of the species in…

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: Explain why ionic attractions are weaker in media with high dielectric constants, e. g., water and…

A: Ionic attraction: The magnitude of the electrostatic force F between two point charges q1 and q2 or…

Q: If the absorbance for the solution was 0.698, calculate the equilibrium concentration of iron(III)…

A: It is  based on the Lambert  Beer Law, Here we are required to find the equilibrium concentration of…

Q: Provide the products, intermediates,

A: In an organic reaction the reactant or the starting material convert to product with or without…