题目内容
According to Lambert-Beer law, the greater the concentration of the measured solution, the greater the absorbance and the higher the accuracy of the measurement results.
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The copper sulfate solution appears blue, because which color of white light is absorbed by this solution?
After keeping 3 significant figures, which of the following results is incorrect?
E(Cl2/Cl–) = 1.36 V, E(I2/I–) = 0.535 V, E(Fe3+/Fe2+) = 0.769 V. In the standard state, the correct order of oxidation capacity is
Which of the following substances can reduce the electrode potential of Fe2+/ Fe?
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