Densidad Del Alcohol !link! -

Stung, he shoved the equipment toward her: a pycnometer (a fancy, expensive glass vial), a precision scale, and a vial of lab-grade ethanol. Elena read the instructions once, then twice. Mass of empty pycnometer. Mass of pycnometer plus water. Mass of pycnometer plus alcohol.

Elena thought about the meniscus, the bubbles, the stubborn elegance of a number that refused to lie. “A metrologist,” she said. “I want to measure things so well that nobody ever has to guess again.” densidad del alcohol

Mateo laughed. “You’re in sixth grade.” Stung, he shoved the equipment toward her: a

“I’m going to fail,” he muttered, jabbing a finger at his chemistry data sheet. “My numbers are wrong. The density of alcohol is supposed to be 0.789 g/mL, but I keep getting 0.79.” Mass of pycnometer plus water

“Let me try,” she said.

“You didn’t degas it,” she said.