Questions: Could the spectrophotometer be used to determine the concentration of a table salt solution? Multiple Choice Yes, provided I made an absorption spectrum and calibration curve. No, table salt solutions are clear, they do not absorb in the visible range of wavelengths. No, the spectrophotometer is only used for biological molecules. Yes, table salt solutions absorb visible light wavelengths.

Solution Steps

A spectrophotometer measures the amount of light that a sample absorbs. It is typically used to determine the concentration of a substance in a solution by measuring the absorbance at specific wavelengths.

Table salt (sodium chloride) solutions are clear and do not absorb light in the visible range of wavelengths. This means that a spectrophotometer, which measures absorbance, would not be effective for determining the concentration of a table salt solution.

• The first option suggests that a spectrophotometer could be used if an absorption spectrum and calibration curve are made. However, since table salt solutions do not absorb visible light, this is not feasible.
• The second option correctly states that table salt solutions are clear and do not absorb in the visible range.
• The third option incorrectly limits the use of spectrophotometers to biological molecules.
• The fourth option incorrectly states that table salt solutions absorb visible light wavelengths.

Final Answer