IOM 2018, Блиц, английски — Задача 44

OLYMPIAD OF METROPOLISES. Moscow, September 3 · 3 септември 2018 г.

Условие

1.23 mmol of a monoprotic acid were dissolved in water. 50 mL of a solution were obtained with pH = 1.91. The solution was further diluted by water to the volume of 1.000 L. What is the pH of the final solution?

1. 1.91 2) 2.56 3) 2.95 4) 3.21

Отговори

Решение

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