An analytical chemist is titrating 211.1mL of a 0.8600M solution of hydrazoic acid HN3 with a 0.4200M solution of NaOH. The pKa of hydrazoic acid is 4.72. Calculate the pH of the acid solution after the chemist has added 299.6mL of the NaOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of NaOH solution added. Round your answer to 2 decimal places.

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Asked Oct 26, 2019

An analytical chemist is titrating 211.1mL of a 0.8600M solution of hydrazoic acid HN3 with a 0.4200M solution of NaOH. The pKa of hydrazoic acid is 4.72. Calculate the pH of the acid solution after the chemist has added 299.6mL of the NaOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of NaOH solution added. Round your answer to 2 decimal places.

 

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Expert Answer

Step 1

The balanced chemical equation for ...

HNg+NaOH-NaN,+H2O
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HNg+NaOH-NaN,+H2O

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