Elena smiled, writing in her notebook: Theoretical density of ethanol: 0.7887 g/cm³ — the ghost in the machine of every fermentation, every thermometer, every drink shared under the southern stars.
She ran to the professor. “I got 0.7887! Almost the same as the real one!” densidad teorica del etanol
Here’s a short story that weaves together the concept of “densidad teórica del etanol” (theoretical density of ethanol). In a cramped, sunlit laboratory in Santiago, Chile, old Professor Ramón held up a cracked glass cylinder. “Today,” he announced to his lone student, Elena, “you will find the densidad teórica del etanol .” Elena smiled, writing in her notebook: Theoretical density
She divided: 46.068 g/mol ÷ (6.022 × 10²³ molecules/mol) = 7.65 × 10⁻²³ g per molecule. Then density = mass per molecule ÷ volume per molecule = 7.65e-23 g / 9.70e-23 cm³ ≈ . Almost the same as the real one