An aqueous solution of a Ni2+ complex with a concentration of 8.61 × 10–5 M was analyzed by a UV-VIS spectrometer at 470 nm and in a 1.00-cm cell; a percent transmittance value of 78.70% was recorded. What is the absorbance of the solution? * Provide your answer with three decimal places and without units. Avoid using scientific notation.

Q: The Keq for imidazole binding to hemoglobin can be determined from the following linear equation,…

A: Reciprocal of change in absorbance is plotted versus the reciprocal of imizdazole concentration.To…

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: Solutions that contain the FeSCN2+ ion are blood red (you will see this at the end of the second…

A: Solutions that contain the FeSCN2+ ion are blood red (you will see this at the end of the second…

Q: Ligand X forms a complex with both cobalt and copper, each of which has a maximum absorbance at 510…

A: The solution of the question is given below:

Q: A student is testing a different concentration of Cu(SO4)2, but finds that his absorbance readings…

A: Beer’s lambert law states that the amount of light absorbed is directly proportional to the…

Q: a.) Construct the absorption spectra of tetraaquosalicylatoiron (III) complex ion.

A: The absorption spectra is a plot of absorbance vs wavelength. The absorbance is taken on the y-axis…

Q: Using the ε value obtained from the gradient of an absorbance vs concentration plot, how would you…

A: When the radiation is 50% absorbed and 50% transmitted,  %T = 50% A=-logT=-log(50100)=0.301

Q: The molar absorptivity of a colored solution with a concentration of 0.0222M was determined to be…

A:

Q: Calculate the percent transmittance (%T) for a solution containing a colored species with an…

A:

Q: A student creates a sports drink by dissolving 5.0 g of powder in 250 mL of water. The green colour…

A: Given, absorbance= 0.450  Molecular weight of dye X is 418.4 g/mol  Mass of powder is 5 g  We know…

Q: In a 1.00 cm cell, a colored solution transmits 40.0% of the incident light that passed through it.…

A:

Q: Determining the metallic composition of an alloy in the field Identification of a solid…

A: Analytical techniques refer to a wide range of methods and instruments used to obtain information…

Q: Which atomic spectroscopy is a more preferred method in the analysis of trace levels (such as ppb…

A: A question based on analytical process that is to be accomplished.

Q: Sample Blank $2 $3 $4 $5 $6 $7 $8 $9 $10 Stock of Fe Stock of SC Volume Fe3+, mL 2.000 2.000 2.000…

A: From the given data we have  Concentration of [FeNCS2+]=[SCN-] Basing on the given chart we have to…

Q: A 20.00 mL sample of urine is spiked with 1.00 mL of 300. ppb Cu²+ and this mixture gives a response…

A: Atomic absorption spectroscopy is a quantitative technique which is aimed at determining the…

Q: Briefly explain why it is NOT accurate to calculate the concentration of a sample whose absorbance…

A: The concentration of the sample is determined as shown below.…

Q: Atomic emission spectroscopy and the method of standard addition are used to determine the Na+…

A: Your calculation for the concentration (Equals to X-intercept) value is correct which is 1.31 μg/mL…

Q: 1) A Chem 102 Student prepared a cobalt coordination compound. Parts "a-c" refer to this problem. a)…

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: If the absorbance of 0.255 M copper (II) chloride solution is 0.56 and the path length of light is…

A: Beer's Law, also known as Beer-Lambert Law, is a relationship that relates the absorbance of light…

Q: The extinction coefficient for FD&C Blue Dye #1 is 138,500 cm-L/mol at 630 nm. A chemist collected…

A: A question based on quantitative analysis, which is to be accomplished.

Q: Indicate the relationship of proportionality that exists between: a) concentration and absorbance…

A: Applying concept of Beers law.

Q: A student wants to determine the concentration of iron ion in a 15.000 gram solid that contains…

A: As the solution is absorbing green light, the color of the solution would be red according to color…

Q: 1. What is the absorbance of a substance that has a transmittance of 68%?

A:

Q: What is the absorbance, A, of a 0.0170 M solution with a percent transmittance of 46.0%? A = Suppose…

A: Relation between absorbance and percent transmittance ---> A = log(%T) Where A= absorbance…

Q: Review Beer's Law. absorbance of 0.75 at 660 nm. An unknown solution of the same metal ion, on the…

A: Given: Concentration of known sample = 2.5 M The absorbance of known sample = 0.75  The absorbance…

Q: The absorption coefficient of bovine immunoglobin (molecular mass= 150,000 Daltons) at 280nm is…

A: Given:Molecular mass= 150,000 Daltons  The absorption coefficient = 210,000Wavelength = 280nmThe…

Q: A solution of copper(II) sulfate is observed to be blue in color. The maximum absorbance is expected…

A: Many substances absorb visible light. When a substance absorbs certain frequencies (colors) of…

Q: Calculate the absorbance for a solution containing a colored species with a percent transmittance…

A:

Q: The absorbance of 1.48 x 105 M methyl red solution, prepared in 0.1 M HCI, was measured using a 1.0…

A:

Q: Complete the table below for the solutions of Cu2+ that you made and the given percent…

A: To convert a value from absorbance to percent transmittance, we use the following equation: %T =…

Q: A portable photometer returns with a target a current reading associated with the radiation reaching…

A: In the given question we have to calculate the absorbance of the given solution of Cu2+ with the…

Q: Please provide a clear solution for the following question: Titanium is reacted with hydrogen…

A: According to Beer Lambert's law the absorbance is directly proportional to the concentration and…

Q: 2. Calculate the absorbance value (A) for a solution that absorbs 89.5% of the light striking it.…

A:

Q: 5. A 2.50x10-5 M solution of a specific dye has an absorbance value of 1.300 when measured at 525 nm…

A:

Q: Consider the analysis of a sample of iron using atomic absorbance spectroscopy. Which of the…

A: Atomic absorption spectroscopy is an analytical technique used for the quantitative determination of…

Q: A solution in part C initially contains (4.06x10^-4) molar SCN and (2.960x10^-3) molar Fe3+. This…

A: Given the initial concentration values of the reactants: [SCN-(aq)]i = 4.06*10-4 M [Fe3+(aq)]i =…

Q: 0.215 at the same wave length. The percentage of chromium in the sample is: (Atomic mass of Cr = 52…

A: It is an application of Lamberts beer law , where for the same wavelength of light is used in two…

Q: molar absorbance for transition with potassium permanganate (KMnO4)

A: Procedure  to analyze the molar absorbance for transition with potassium permanganate (KMnO4): Steps…

Q: A mixture solution of Co(II) and Ni(II) shows an absorbance of 0.500 at 500 nm. What percentage of…

A: Given that, A solution containing Co(II) and Ni(II) which shows absorbance 0.50 at 500 nm. Firstly,…

Q: The absorbance of an ionic aqueous solution is 0.387. What is the ratio of intensities of the…

A: The absorbance of a solution can be expressed as the negative logarithm of the ratio of incident…

Q: A student creates a sports drink by dissolving 5.0 g of powder in 250 mL of water. The green colour…

A: Given: The amount of powder dissolved in 250 mL of water is 5.0 g. The value of the straight line…