pH of sea water

Mahlon G. Kelly mgk at faraday.clas.Virginia.EDU
Tue Aug 20 23:21:14 EST 1996

Chan  writes:
> Can anyone tell me the pH of sea water?  I think that it is alkaline 
> but have no idea why.  Please help.  Thank you.

pH of seawater is very close to 7.3 Being very well buffered,
there is little variation from ocean to ocean.
Associate Professor (Emeritus)
University of Virginia
mgk at

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