IOM 2019, Блиц — Задача 33

OLYMPIAD OF METROPOLISES, Moscow, September 2, 2019 · 2 септември 2019 г.

Условие

A sample of gaseous xenon fluoride $XeF_n$ was confined in a bulb at a pressure of 24 Torr. Then hydrogen was added to the bulb until the pressure reached 96 Torr. Next, xenon fluoride reacted completely as a result of electric discharge affording $Xe$ and gaseous $HF$, which was accompanied by the pressure increase up to 144 Torr. Determine $n$.

Решение

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Оригинал в Архива: blitz-en-all-task-final.pdf