Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and the Yahoo Answers website is now 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 hydroxide ion are there in 500mL of 2.0M NaOH solution?
Can someone explain the answer to this question please?
1 Answer
Relevance
- Ouch!Lv 51 decade agoFavorite Answer
First we write a balanced equation.
NaOH ---> Na^+ OH^-
the ratio of NaOH to the hydroxide ion is 1:1.
2.0 moles NaOH are present in 1000 ml
x moles NaOH are present in 500 ml
x = (2.0 x 500) / 1000
x = 1 mole
so there are 1 mole of OH^- in 500 ml of 2.0M NaOH because the molar ratio is 1:1.
Still have questions? Get your answers by asking now.