Nitrous acid, HNO2, is a weak acid that is partially dissociated (broken apart) in aqueuous solution. What is the equilibrium concentration of HNO2 if the extent of dissociation in 2.00M HNO2 is 0.58%? The equilibrium equation is shown below.
HNO2 (aq) ↔ H+ (aq) + NO2-(aq)