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DIY Bath Bombs

Writer's picture: lmsba2lmsba2

This week, Hands on Science in Berkeley made colorful bath bombs, by using baking soda, citric acid, and scented oil. When the bath bomb dissolves in water, there is a chemical reaction between the citric acid and the sodium bicarbonate. The result is called sodium cit-rate. During the reaction, carbon dioxide is released. This causes the fizzing that you see.

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