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What is the primary purpose of UV-Vis spectroscopy?

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Question: What is the primary purpose of UV-Vis spectroscopy?

Options:

  1. To measure the mass of a sample
  2. To determine the concentration of a substance
  3. To separate components of a mixture
  4. To identify the molecular structure

Correct Answer: To determine the concentration of a substance

Solution:

UV-Vis spectroscopy is primarily used to determine the concentration of a substance in a solution based on the absorbance of light at specific wavelengths.

What is the primary purpose of UV-Vis spectroscopy?

Practice Questions

Q1
What is the primary purpose of UV-Vis spectroscopy?
  1. To measure the mass of a sample
  2. To determine the concentration of a substance
  3. To separate components of a mixture
  4. To identify the molecular structure

Questions & Step-by-Step Solutions

What is the primary purpose of UV-Vis spectroscopy?
  • Step 1: Understand that UV-Vis spectroscopy is a technique that uses light.
  • Step 2: Know that it focuses on ultraviolet (UV) and visible (Vis) light.
  • Step 3: Learn that substances can absorb light at specific wavelengths.
  • Step 4: Realize that the amount of light absorbed relates to the concentration of the substance.
  • Step 5: Conclude that the primary purpose is to measure how much of a substance is in a solution.
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