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If a cuvette with an optical path length of 1 cm is used to measure the absorbance of a solution and the result is 0.2, then what would be the absorbance obtained by measuring the solution with a cuvette with an optical path length of 2 cm?

A. 0.4
B. 0.3
C. 0.1
D. 0.5

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The wavelength range of visible light is 400 nm to 700 nm.

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The molar extinction coefficient of a substance is related to the relative molecular mass of the substance.

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The light transmittance of the solution is proportional to the concentration of the solution.

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Which of the following statements about redox titration is correct?

All redox reactions can be used for titration.
B. The size of the redox titration potential jump has nothing to do with the oxidation ability of the oxidant.
C. Some redox titrations do not need to add indicator.
D. Iodometry is an analytical method that only uses the oxidizing properties of I2 to perform titration.

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If a cuvette with an optical path length of 1 cm is used to measure the absorbance of a solution and the result is 0.2, then what would be the absorbance obtained by measuring the solution with a cuvette with an optical path length of 2 cm?

A. 0.4 B. 0.3 C. 0.1 D. 0.5

The wavelength range of visible light is 400 nm to 700 nm.

The molar extinction coefficient of a substance is related to the relative molecular mass of the substance.

The light transmittance of the solution is proportional to the concentration of the solution.

Which of the following statements about redox titration is correct?

A. 0.4
B. 0.3
C. 0.1
D. 0.5