Indigo, the dye for blue jeans, has a percent composition,
Chapter 3, Problem 37(choose chapter or problem)
Indigo, the dye for blue jeans, has a percent composition, by mass, of 73.27% C, 3.84% H, 10.68% N, and the remainder is oxygen. The molecular mass of indigo is 262.3 u. What is the molecular formula of indigo?
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