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Calculate the pH of the 0.250 M NH3/0.5 M NH4Cl buffer system. What is the pH...

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Chemistry

Calculate the pH of the 0.250 M NH3/0.5 M NH4Cl buffer system. Whatis the pH after the addition of 2.0 mL of 0.250 M NaOH to 18.0 mLof the buffer solution? After adding 10 more mL of 0.25 M NaOH whatis the pH?

Answer & Explanation Solved by verified expert
4.4 Ratings (566 Votes)
pH of buffer solution of 025 M NH3 and 05 molar NH4Cl we know Kb of NH3 18 x 105 NH3 H2O NH4 OH NH3 H NH4 NH4 OH NH3 The pH of a buffer can be calculated using the HendersonHasselbalch equation Heres the form of the    See Answer
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