How come after soda water loses its carbonation, it appears to have a salty/weird taste?
In: Chemistry
When you carbonate water, some of the CO2 gas turns into cabonic acid. Most of the carbonic acid turns back into CO2 and water, but some of it stays in solution, so flat soda tastes of very weak carbonic acid.
If you are drinking natural sparkling water, then that water comes from mineral springs which have all sorts of dissolved minerals and salts in them. Once dissolved gas is gone, you can still taste all the other stuff.
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