From: "@frank.net   
      
   On 10/29/2019 10:08 AM, Libor Striz wrote:   
   > Oumati Asami  Wrote in message:r   
   >> Would sodium bicarbonate absorb moisture from air and become a cake? Many   
   solids do that. Not sure if sodium bicarbonate would also.   
   >   
   > It is more complicated, as it slowly decomposes:   
   >   
   > 2 NaHCO3 -> Na2CO3 + H2O + CO2.   
   >   
   Mechanisms have been elucidated:   
      
   https://www.jstage.jst.go.jp/article/shigentosozai/118/7/118_7_5   
   1/_article/-char/en   
      
   I had to look up this one: Wegscheider's Salt (Na 2 CO 3 3NaHCO 3 )   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)