Nitrous acid, HNO2 has a Ka of 4.6 x 10-4. If the 100 mL of a 0.2 M solution of nitrous acid is mixed with a 200 mL of a 0.1 M solution of NaOH which of the following is NOT true of the resulting solution?
1. [Na+] > [H 3O +]
2. [NO2-] = [OH -]
3. they are all true
4. [NO2-] > [HNO 2]
5. [OH-] > [H3O+]
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