A spectrophotometer measures: a. the wavelength b. the absorbance of light The m

Question

A spectrophotometer measures: a. the wavelength b. the absorbance of light The molar absorptivity of a chemical (epsilon) is always constant at any wavelength (ie - it would be the same at 300nm and 400nm and 500nm). a. True b. False Which of the following wavelength range describes visible light? a. 400-700nm b. 200-400 nm c. 700-1000 nm Arrange the following in the proper order for today's experiment: _______ Measure the absorbance of the KMnO_4 solution of an unknown concentration at lambda_max _______ Measure the absorbance of a KMnO_4 solution at different wavelength to determine the lambda_max ____ Construct the standard curve of various KMnO_4 solutions at lambda_max ______ Determine the concentration of the unknown solution using the standard curve ______ Make various KMnO_4 solutions using parallel dilution method.

Explanation / Answer

Answer

1). b. The absorbance of light

A spectrometer is an instrument that measures the amount of light that can pass through a solution.

3). a. 400-700nm

The "visible light" corresponds to a wavelength range of 400-700 nanometers.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.