A fallback position of AGW proponents is that the extra carbon dioxide we add to the atmosphere will contaminate the oceans, leading to “ocean acidification”. This occurs due to the following reactions.
CO2 (g) -> CO2 (aq) [exothermic]
CO2 (aq) + H2O (l) -> H2CO3 (aq) [this is carbonic acid]
H2CO3 (aq) + H2O (l) -> HCO3- (aq) + H3O+ (aq)
This statement “ocean acidification” is itself a lie. This is because oceans are not acidic to begin with, they are alkaline (pH~8.1 depending on where you measure it). An acidic solution has a greater concentration of hydronium ions (H3O+) than hydroxide ions (OH-), while an alkaline solution is the other way around. But won’t increasing hydronium ion concentration by 30% make it acidic? No, because the pH scale is logarithmic, meaning a pH of 6 has ten times the concentration of H3O+ than one with a pH of 7…
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