Question

靛青是一種染料，對(duì)其樣品分析，其元素的質(zhì)量分?jǐn)?shù)為：?C 73.3%?、H 3.82%、N 10.7%、O 12.2%，則其實(shí)驗(yàn)式為（　�。�?

A.C₈H₅NO                  B.C₂H₂NO                     C.C₄H₆NO                  D.C₇H₈NO?

Answer 1

A?

解析：= 8︰5︰1︰1。