Question

0.100 M of NaNO2 and 0.050 HNO2.

what is the H3O of this solution? set up please.

Answer 1

Use the Henderson-Hasselbalch equation. NaNO2 is the base and HNO2 is the acid. You will need pKa for HNO2.

Answer 2

1 is not the answer

Answer 3

2.1x10^-5

Answer 4

i got 3.6x10^-6

Answer 5

i got 3.6x10^-4