Chem

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I got one more question.
I tried to figure out what should it be.
But still I don't have idea yet...
Help me please....

The question is
The expected absorbance range for the solutions to be tested is between 0.01 and 0.1. Describe what Simon will need to do to have confidence the spectrometer is accurately reading absorbance. Outline the procedure he will need to use including required equipment. 

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