7. Two compounds were separated using gas chromatography. The retention times were 628
and 642 s, and the widths at half-height were 8.3
and 9.4 s, correspondingly. Find the resolution for these two compounds, and are the two peaks well Wav
resolved? (A) 1.6, yes； (B)0.93, no； (C)0.93, yes； (D) 7.5, yes； (E) 3.8,yes
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