IOM 2017, Блиц — Задача 77

OLYMPIAD OF METROPOLISES. Moscow, September 4 · 4 септември 2017 г.

Условие

An ionic compound is composed of three elements and contains 61.3 mass.% of fluorine. Determine the compound formula. Give the answer as its molar mass rounded to the nearest integer, without units.

Отговори

Решение


Оригинал в Архива: blitz.pdf · официални решения: answers-blitz.pdf