So if you want to know what’s going on in this, here’s the details. Alka-Seltzer tablets are essentially a solid mix of two components; citric acid and sodium bicarbonate. In the solid state, they aren’t able to react with one another, but as soon as water is added, they dissolve and react to form carbon dioxide, water, and sodium citrate. This is a buffer (a solution that resists changes in pH), which is why drinking Alka-Seltzer can help to settle your stomach. In this case, I use the reaction
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So if you want to know what’s going on in this, here’s the details. Alka-Seltzer tablets are essentially a solid mix of two components; citric acid and sodium bicarbonate. In the solid state, they aren’t able to react with one another, but as soon as water is added, they dissolve and react to form carbon dioxide, water, and sodium citrate. This is a buffer (a solution that resists changes in pH), which is why drinking Alka-Seltzer can help to settle your stomach. In this case, I use the reaction
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