Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
The ion HCO3–(aq) can act as an acid or a base in water. (a) Write the reaction for it acting as a base. (b) Write the reaction for it acting as an acid. ?
The Lowry Bronsted theory describes an acid as a proton donor and a base as a proton acceptor.
On this basis you can see in (a) it is acting as a base and in (b) it is acting as an acid.