Calculate the pH of a 0.200 M solution of NaNO2?

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HINT: find Kb from Ka of the conjugate acid
this was a hint we were given but i dont think i was given enough information to solve this problem

2007-03-12 10:19:22 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1. look up Ka of HNO2.
2. work out Kb of (NO2)-
3. work out [OH-] = root (Kb x 0.200)
4. work out [H+]
5. work out pH

2007-03-12 10:54:59 · answer #1 · answered by Gervald F 7 · 0⤊ 0⤋