A volume of 500.0 mL of 0.140 M NaOH is added to 545 mL of 0.200 M weak acid (𝐾a=2.69×10−5). What is the pH of the resulting buffer?

A volume of 500.0 mL of 0.140 M NaOH is added to 545 mL of 0.200 M weak acid (𝐾a=2.69×10−5). What is the pH of the resulting buffer?

HA(aq)+OH−(aq)⟶H2O(l)+A−(aq)

Update:

Sorry, somehow I posted the same question twice!

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  • david
    Lv 7
    4 weeks ago
    Favorite Answer

    Stevie -- I just answered this question -- Why are you reposting?

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