An analytical chemist is titrating 57.8 mL of a 0.6200M solution of methylamine (CH,NH,) with a 0.8300M solution of HNO3. The p K, of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 50.9 mL of the HNO, solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO, solution added. Round your answer to 2 decimal places. pH = 0

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An analytical chemist is titrating 57.8 mL of a 0.6200 M solution of methylamine (CH₃NH₂) with a 0.8300 M solution of HNO₃. The pK_b of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 50.9 mL of the HNO₃ solution to it.

*Note for advanced students:* you may assume the final volume equals the initial volume of the solution plus the volume of HNO₃ solution added.

Round your answer to 2 decimal places.

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**Diagram Explanation:**

There is a rectangular input box labeled "pH =" for entering the calculated pH value. Below the input box are three buttons: one with an "X" symbol, one with a circular arrow symbol, and one with a question mark symbol. These might correspond to reset, undo, and help options, respectively.
Transcribed Image Text:An analytical chemist is titrating 57.8 mL of a 0.6200 M solution of methylamine (CH₃NH₂) with a 0.8300 M solution of HNO₃. The pK_b of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 50.9 mL of the HNO₃ solution to it. *Note for advanced students:* you may assume the final volume equals the initial volume of the solution plus the volume of HNO₃ solution added. Round your answer to 2 decimal places. --- **Diagram Explanation:** There is a rectangular input box labeled "pH =" for entering the calculated pH value. Below the input box are three buttons: one with an "X" symbol, one with a circular arrow symbol, and one with a question mark symbol. These might correspond to reset, undo, and help options, respectively.
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