What is the ph after 5 ml of naoh is added to the solution

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Question- Given a 100 mL solution that is 0.3M in nitrous acid and 0.3M in sodium nitrite. The Ka of HNO2 is 4.0 x 10^-4.What is the pH after 5 mL of 0.4 M NaOH is added to the solution?

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Reference no: EM13694265

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