IOM 2020, Блиц — Задача 7

The Blitz-contest of IOM-2020

Условие

At a certain temperature, the solubility of BaSO4BaSO_4 in a 0.01 M Na2SO4Na_2SO_4 solution is 1⋅10−81\cdot10^{-8} M. Which of the statements about BaSO4BaSO_4 are correct?

  • Ksp=1⋅10−16K_{sp} = 1\cdot10^{-16}
  • Ksp=1⋅10−10K_{sp} = 1\cdot10^{-10}
  • The solubility in water is 2.33⋅10−32.33\cdot10^{-3} g / L.
  • The solubility in water is 1⋅10−81\cdot10^{-8} M.

Отговори

Решение

Внимание: Непълно решение

The source contains only the answer key, no worked solution.


Оригинал в Архива: iom-2020-blitz-tasks.pdf · официални решения: iom-2020-blitz-answers.pdf