Calculate the Percent Ionization of Nitrous Acid in a Solution

question 53

Multiple Choice

Calculate the percent ionization of nitrous acid in a solution that is 0.222 M in nitrous acid (HNO₂) and 0.278 M in potassium nitrite (KNO₂) . The acid dissociation constant of nitrous acid is 4.50 × 10^-4.

• A)55.6
• B)0.162
• C)15.5
• D)2.78 × 10^-3
• E)3.448