Posted by Anonymous on Monday, July 19, 2010 at 2:41pm.
HNO2 ==> H^+ + NO2^-
Ka = (H^+)(NO2^-)/(HNO2)
Set up an ICE chart and substitute into Ka. Solve for H^+, then convert to pH.
I got 2.17 as my final answer. Is that correct?
Related Questions
chemistry - Calculate the pH at the point in the titration of 25.00 mL 0.108 M ...
Chemistry - Buffers- Common Ion effect IS this Correct Calculate the pH of a ...
chemistry - Calculate the pH at the point in the titration of 25.00 mL 0.108 M ...
Chemistry - What is te component concentration ratio, [NO2-]/[HNO2], of a buffer...
A.P. Chemistry - You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for ...
Chemistry - C6H5COOH(aq) + NO2-(aq) <=> C6H5COO-(aq) + HNO2(aq) A ...
A.P. Chemistry - You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for ...
Chemistry - At 298 K, nitrous acid (HNO2) dissociates in water with a Ka of 0....
chemistry - Nitrous acid, HNO2, has a Ka of 7.1 x 10^-4. what are [H3O+], [NO2...
Chemistry - What is the (H30) concentration when 40 mL of 0.10 M nitrous acis, ...
For Further Reading
