How do acids and bases differ?
...the ACID is the characteristic cation of the solvent, and any acidic substance added to it will cause an increase in the concentration of this cation. And a base is the characteristic anion of the solvent, and any basic substance added to it will cause an increase in the concentration of this anion.
Water is a solvent for which this equilibrium is well-quantified, and under standard conditions....
And of course, we can take
And so we get....
And at last an expression you will use habitually...
And so given an aqueous solution that is highly acidic,