2. Calculate the molar extinction coefficient of a substance, if known that its concentration equals 0.0744 mmol/L, and measured absorbance is 0.2 at Amax = 235 nm in methanol solvent at 25 °C (assume a 1 cm light pass).

2. Calculate the molar extinction coefficient of a substance, if known that its concentration equals 0.0744 mmol/L, and measured absorbance is 0.2 at Amax = 235 nm in methanol solvent at 25 °C (assume a 1 cm light pass).

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter14: Ultraviolet Spectroscopy, Refractive Indices, And Qualitative Instrumental Organic Analysis

Section: Chapter Questions

Problem 4Q

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Question

2. Calculate the molar extinction coefficient of a substance, if known that its
concentration equals 0.0744 mmol/L, and measured absorbance is 0.2 at
Amax = 235 nm in methanol solvent at 25 °C (assume a 1 cm light pass).

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