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If you dilute 10.00 mL digest to 100.00 mL, the DF is:

You prepared the run solution by diluting [A] mL digest to 100.00 mL. DF and Crun= [Cr] mg/L, recompute Cdig. (Report answer to 3 decimal places)

Select ALL regions helpful for discriminating similar fiber spectra when 1700-1200 cm^-1 looks similar.

The reaction between water and HNO3 (Nitric Acid) is ________, meaning it releases energy (heat).

Polypropylene typically shows strong C=O stretching near 1700 cm⁻¹.

Most appropriate way to report a library match in this lab is:

Convert 1650 cm^-1 to wavelength in µm (λ=10,000/ṽ). Round to 2 decimals.

Describe the role of the hot plate in the digestion process. (Select all that apply)

A case report notes 4 out of 5 diagnostic bands match a known reference. Compute percent agreement.

You observed 6 key diagnostic bands for an unknown and 5 match the polyester reference. Compute percent agreement.