Alcohol — Densidad Del

Mateo laughed. “You’re in sixth grade.”

Elena shrugged. “Density is mass over volume. If there are air bubbles, you have less alcohol in the same space. So you measure a lower mass. Therefore, your calculated density is lower than the truth.” densidad del alcohol

“You didn’t degas it,” she said.

She carefully tilted the pycnometer, letting the bubbles escape one by one, then topped it off. She weighed it, did the math on a napkin, and slid it back. Mateo laughed