Describe how to calculate the ocean concentration of CO32- using the data collected from 2015. You do not need to calculate it (only mention what data, constants and equations are needed).

The carbonic acid dissociation constant, ocean pH and the bicarbonate ion concentration are required to to calculate the ocean concentration of the carbonate ion.
The concentration of a chemical species is the amount in moles per given litre of solution.
To calculate the ocean concentration of the carbonate ion, the data needed are:
The equation for calculating the carbonate ion concentration is given below:
[tex][CO_3^{2-}] = \frac{K × [HCO_3^{-}]}{H^{+}}[/tex]
Therefore, to calculate the ocean concentration of the carbonate ion, the carbonic acid dissociation constant, ocean pH and the bicarbonate ion concentration are required.
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