IOM 2016, Блиц — Задача 27

Olympiad of Metropolises, Moscow. Blitz Contest, September, 5 · 5 септември 2016 г.

Условие

How many grams of KBr will be obtained from a mixture containing 13.2 g of potassium (K) and 22.2 g of bromine (Br$_2$)? (The relative atomic mass of potassium (K) is 39.1, and that of bromine (Br) is 79.9.) Give the answer rounded to an integer, without units.

Решение

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Оригинал в Архива: blitz.pdf