The amount of carbonation lost from sodas when refrigerated overnight can vary depending on several factors, such as the type of container, the type of soda, the initial level of carbonation, and the temperature of the refrigerator.
Carbonation in sodas is essentially carbon dioxide (CO2) dissolved in the liquid under pressure. When you open the soda container, the pressure decreases, and some of the dissolved CO2 is released as bubbles. If the soda is left open or not sealed tightly, more carbonation can escape over time.
Refrigerating a soda overnight can cause additional carbonation loss due to the following reasons:
Temperature effect: Carbon dioxide is more soluble in cold liquids, so when you refrigerate the soda, some of the CO2 may dissolve into the colder liquid, reducing the overall level of carbonation.
Pressure changes: Fluctuations in pressure can occur when moving the soda from room temperature to a colder environment (the refrigerator). This change in pressure may lead to a minor loss of carbonation.
Time: Simply leaving the soda exposed to the air for an extended period allows some of the dissolved CO2 to escape, leading to a decrease in carbonation.
It's difficult to provide an exact percentage of carbonation loss, as it can vary based on the factors mentioned above. Some sodas may retain most of their carbonation, while others might lose a noticeable amount. To minimize carbonation loss, make sure to keep the soda container sealed tightly and avoid leaving it open for extended periods.
Keep in mind that different sodas also have different levels of carbonation to begin with. For example, highly carbonated beverages like sparkling water or certain sodas might experience more noticeable changes in carbonation levels when refrigerated overnight compared to less carbonated ones.