Why does sugar free soda fizz way more than regular soda?
In: Chemistry
Artificial sweeteners in diet sodas are much sweeter than regular sugar so you need to add less of it to get the same sweetness. Diet sodas are usually >99% carbonated water with < 0.2 grams of artificial sweetener.
In contrast, regular sodas have a great deal of added sugar. A regular 12 oz (355 mL) can holds about 10 teaspoons or ~40 grams of sugar. This is about 10 sugar packets per can! Because there is so much sugar, the volume of carbonated water is lower in regular sodas so it can’t hold as much fizz.
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