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
How many moles of NaBrO should be adder to 1L of .05M HBrO to form a buffer with pH=8.80?
Ka=2.5x10^-9
How would I solve this?
Do I need to do an ICE table?
Thanks!!
1 Answer
Relevance
- Dr.ALv 71 decade agoFavorite Answer
pKa = - log Ka = 8.6
pH = pKa + log [BrO-] / [HBrO]
8.80 = 8.6 + log [BrO-] / 0.05
10^ 0.2 = 1.6 = [BrO-] / 0.05
[BrO-] = 0.080 M
moles BrO- = 0.080 M x 1 L = 0.080
Still have questions? Get your answers by asking now.