Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Lucy asked in Science & MathematicsChemistry · 1 decade ago

Concentration Question - Hydroxide ions in a solution?

At 25 °C the ion product of water, Kw is 1.0 × 10^–14 mol^2 dm^–6. What is the concentration of hydroxide ions in a solution where the concentration of hydrogen ions is found to be 2.0 × 10^−15 mol dm^–3?

1 Answer

Relevance
  • 1 decade ago
    Favorite Answer

    Ka*Kb=Kw

    Kb=Kw/Ka

    Kw = 1.0 × 10^–14 mol^2 dm^–6

    Ka= 2.0 × 10^−15 mol dm^–3

Still have questions? Get your answers by asking now.