Coca-Cola took a public relations hit a few months ago when it was discovered that their “scientists” stated that obesity was due to insufficient exercise and not sugary soft drinks (New York Times, August 9, 2015).
The partial pressure of carbon dioxide in the headspace of bottled Coke (the space above the liquid) is 3-4 atm, so let’s assume 3.5 atm. The Henry’s law constant for CO2(g) at 20°C is 3.91 x 10-2 mol/L∙atm. Calculate the solubility (mol/L) of carbon dioxide in water at 20°C.
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