ABOUT HCl

For discussion on Chemistry
MATHPRITOM
Posts:190
Joined:Sat Apr 23, 2011 8:55 am
Location:Khulna
ABOUT HCl

Unread post by MATHPRITOM » Sun Feb 26, 2012 12:55 pm

Let, we have taken $ 10^{-9} $ M HCl. now, $ pH=-(log [H^{+}]).=-(log 10^{-9})=-(-9)log 10=9 $ . & We know that pH greater than 7 are base. but, HCl is acid ?? so, what is the problem ??

User avatar
Moon
Site Admin
Posts:751
Joined:Tue Nov 02, 2010 7:52 pm
Location:Dhaka, Bangladesh
Contact:

Re: ABOUT HCl

Unread post by Moon » Sun Feb 26, 2012 1:15 pm

Remember that in an aquas solution you already have $[H^+]=10^{-7}$. You can't make it less than that. :P
"Inspiration is needed in geometry, just as much as in poetry." -- Aleksandr Pushkin

Please install LaTeX fonts in your PC for better looking equations,
learn how to write equations, and don't forget to read Forum Guide and Rules.

Post Reply