I know that carbon dioxide is soluble and forms carbonic acid, but exactly how is solubility measured?

How soluble is carbon dioxide in a 1M solution of sodium hydroxide?

  • $\begingroup$ Difficult question, because there is the physical solubility of the gas itself which is in equilibrium with all the carbonate species. $\endgroup$ – Jan Dec 19 '15 at 16:33
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    $\begingroup$ The question is really somewhat out of whack. In sodium hydroxide any carbon dioxide is converted to the carbonate anion. In a strong sodium +1 solution sodium carbonate has limited solubility, and will ppt out. So until the NaOH is substantially reacted there really isn't any "dissolved" carbon dioxide. $\endgroup$ – MaxW Dec 19 '15 at 18:30
  • $\begingroup$ If you are still interested in this, do you mean the analytical methodology for quantifying carbon dioxide or the experimental procedure before the carbon dioxide analysis part? $\endgroup$ – airhuff Jan 28 '17 at 22:11

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