IOM 2016, Блиц — Задача 50

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

Условие

Given are five substances: 1) H$_2$SO$_4$, 2) KMnO$_4$, 3) AlCl$_3$, 4) KOH, 5) K$_2$S. Arrange these substances in an increasing order of pH of their 0.1 M water solutions. In your answer, give the numbers of the substances without spaces and commas (for example, 12345).

Решение

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Оригинал в Архива: blitz.pdf