Aciortence 2. Use the absorbance-concentration graph given below to find the value of absorptivity (8) y = 5.5x +0 03- 92- 91 00

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Q: CAUTIONI!! etivity 7. Looks can be deceiving! aterials: tand cold water Be careful in handling hot…

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Q: Chris wants to study an organometal complex that was synthesized as shown below. Cr3+) + 2salenm…

A: Concentration  Absorbance 0 0.021 0.010 0.220 0.015 0.295 0.020 0.356 0.025 0.421 0.030…

Q: At 590 nm, crystal violet (a biological stain) has a molar absorptivity (ε) of 8.7×104 M-1cm-1.…

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Q: A chemist prepared a reagent blank and 6 Fe standards with the following concentrations: 20, 30, 40,…

A: Here we are required to find the correct equation for calibration curve

Q: An unknown chemical has an absorbance of 0.265 in a 1.0cm cuvette at a concentration of 0.703 M.…

A: From given data A = 0.265  l = 1 cm c = 0.703 M   Formula used A= ԑcl Where, ԑ is absorptivity…

Q: For this experiment I prepared two solutions: each was an injection of 15 microliters of pure acetic…

A: 1 μL = 10-6 L 1 L = 1000 mL Volume of acetic anhydride (MW = 102.09 g/mol) taken in mL, V = 15.9 μL…

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

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Q: The absorbance (A) of a solution is related to its concentration (C) according to the Beer-Lambert…

A: Lambert Beer's law gives the relation of concentration with respect to absorbance as; A=εC where A…

Q: Convert the 98% T to absorbance: a. 0.008 b. 0.08 c. 0.021 d. 0.21

A: A (absorbance) = - logT  T = transmittance... Rule,   A = 2 - log (T%)  Given T% = 98

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A: In this question we have to explain the peaks is in UV visible of Cu(acac)2.

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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…

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Q: 5. (1) (ii) Ibuprofen (206.3 g/mol) absorbs at 255 nm and shows a molar absorptivity of 3010…

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Q: The concentration of Ba(103)2 in H2O at 35°C (Ksp = 3.00 x 10- %3D Ba(103)2 (s) - Ba²* + 2103 5.23 x…

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Q: A solution of Tryptophan has an absorbance at 280 nm of 0.54 in a 0.5 cm length cuvette. Given the…

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Q: A chemist prepared a reagent blank and 6 Fe standards with the following concentrations: 20, 30, 40,…

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Q: 1. Colorimetric methods of analysis are based on having a reagent that changes as a function of the…

A: The correct option is (c)  Calorimetric analysis is based on the the principle of beer-lambert law.…