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Need hydration reaction that creates maximum possible volume of gas per gram

Question asked by Glenn Woudenberg on Mar 20, 2014

I need to create the largest amount of gas (any type, but prefer non toxic) by adding water to a dry chemical reaction. My goal is to creat buoyancy within a semipermeable paper ballon when it becomes moist after submersion in water.

thank you for the help!

regards,

glenn

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