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1) What is the difference between spectroscopy and spectrometry?

2) Why is it necessary to use a narrow wavelength spectrum of light in spectrometry? Why do we use wavelengths of peak absorbance for a particular analyte?

3) What volume of a 100 ppm (part per million) stock solution would be used to create 30 mL of a 10 ppm standard?

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Spectroscopy refers to the interaction of matter with energy.

What is spectroscopy?

The term spectroscopy refers to the interaction of matter with energy. It shows the manner in which matter is able to interact with energy. Spectrometry is the application of spectroscopy.

It is important to use a narrow wavelength during spectroscopy because different wavelengths can be used to identify the various kinds of compounds in the sample.

The dilution formula could be used to obtain the new concertation of the solution  after dilution. An aliquot of the stock  solution is added to a measured volume of water and made up to the required mark for dilution.

Using the dilution formula;

C1V1 = C2V2

C1 = 100 ppm

V1 = ?

C2 = 10 ppm

V2 = 30 mL

V1 = C2V2/C1

= 10 ppm * 30 mL /100 ppm

V1 = 3 mL

Learn more about spectroscopy:https://brainly.com/question/26925389

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