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.
Trending News
Promoted
Naproxen is an anti-inflammatory drug that is a weak acid with a pKa value of 4.2 C. Calculate the pH?
Naproxen is an anti-inflammatory drug that is a weak acid with a pKa value of 4.2
C. Calculate the pH of an aqueous solution of 0.0010 M naproxen
1 Answer
Relevance
- BobbyLv 72 months agoFavorite Answer
pKa = 4.2
Ka = 10 ^-4.2 = 6.31* 10 ^-5
[H] = SQRT(Ka *c) = SQRT(6.31* 10 ^-5* 0.0010) = 2.51E-04
pH = 3.6
Still have questions? Get your answers by asking now.