Thread: Chemistry Question - Sourdough + Baking Soda = ?
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[email protected] Polymer@aol.com is offline
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Default Chemistry Question - Sourdough + Baking Soda = ?

In a message dated 12/17/07 01:07:39, writes:


> My pancake recipe calls for adding a bit of baking soda just
> before cooking, and I get an instant froth that about fills the bowl.
>
> What's reacting with what in there?
>
> Just curious,
> Stacey
>

The acid in the batter is reacting with the baking soda (sodium bicarbonate,
NaHCO3) to liberate carbon dioxide (CO2) gas, The gas causes the froth in
the batter. (Sorry but my e-mail does not do subscripts)



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