IOM 2019, Блиц — Задача 71

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

Условие

Sulfur forms several binary compounds with selenium. One of these compounds was burned in air affording a solid with the mass of 333 mg and a gaseous substance with the volume of 40.3 ml (0 C, 1 atm). Determine the brutto formula of the burned compound. In the answer, give the number of selenium and sulfur atoms without spaces (for example, $SeS_2$ must be reported as 12).

Решение

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