[ \textH₂CO₃ \rightleftharpoons \textH⁺ + \textHCO₃⁻ ]
It sounds like you want a (a detailed excerpt, summary, or sample section) from an S5 Chemistry book —typically meaning Senior 5 (the second year of upper secondary/high school, often around ages 16–17). chemistry book s5
Now apply it to weak acids – this is the : chemistry book s5