asked 159k views
2 votes
9. ____________ identifies and measures the amount of ethanol molecules making up a substance and uses n-propynol as an internal standard.

a. Gas Chromatography
b. Head Space Gas Chromatography
c. Gas Chromatography-Mass Spectrometry
d. Spectrophotometer

1 Answer

2 votes
A spectrophotometer is the right answer
answered
User Evanrmurphy
by
7.8k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.