asked 57.2k views
3 votes
Which equilibrium system has HCO3- acting as a Brønsted-Lowry base?

HCO3- H+ + CO32-
HCO3- + HS- H2S + CO32-
HCO3- + H2S H2CO3 + HS-
HCO3- + H2O H3O+ + CO32-
HCO3- + O2- CO32- + OH-

2 Answers

3 votes

Answer:

C) HCO3- + H2S H2CO3 + HS-

Step-by-step explanation:

Edmentum

answered
User Fozoglu
by
8.3k points
6 votes
A Brønsted-Lowry base is a base is a proton acceptor.

In the only case where this is done is when HCO3- accepts a proton and becomes H2CO3.

In the other cases, HCO3- is donating a proton which makes it an acid.
answered
User Lokanx
by
8.0k points
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