Piezoelectric Baking Powder

Sodium Base Potassium Acid

Make Baking Powder - Mix Cream of Tartar with baking soda to create baking powder.

500 g (1 lb) of baking soda (sodium bicarbonate)[NaHCO3]

200 g (7 oz) of cream of tartar (potassium bitartrate)[KHC4H4O6]