1.9 - UV Absorbance in Spectroscopy
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Practice Questions
Test your understanding with targeted questions
Define UV absorbance in your own words.
💡 Hint: Think about what absorption means.
What is the formula for calculating absorbance?
💡 Hint: Recall the terms I0 and I.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does UV absorbance measure?
💡 Hint: Think about the purpose of measuring light in spectroscopy.
True or False: Higher absorbance corresponds to lower concentration.
💡 Hint: Consider how concentration affects absorbance.
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Challenge Problems
Push your limits with advanced challenges
A solution shows an absorbance of 1.2 at a wavelength of 260 nm. If a known standard solution has an absorbance of 0.2 at the same wavelength for a concentration of 0.05 M, calculate the concentration of the unknown solution.
💡 Hint: Utilize the direct proportion between absorbance and concentration.
If a sample absorbs UV light at 280 nm strongly, how would its absorbance change if diluted by half?
💡 Hint: Recall what happens to absorbance as concentration changes following linear relationships.
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