arks People Window Help om/ibiscms/mod/ibis/view.php?ida3364748 4/12/2017 11:55

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arks People Window Help om/ibiscms/mod/ibis/view.php?ida3364748 4/12/2017 11:55 PM 0/100 Grade Print Calculator l Periodic Table 3 of 10 Sapling Learning The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. lf0.300 moles of a monoprotic weak acid (Ka a 8.6 x105) is titrated with NaoH, what is the pHof the solution at the half-equivalence point? pH C Previous 8 Give Up & View Solution 2 Check Answer Next J Exit Hint

Explanation / Answer

at equivalence point

Ph = Pka

Ph = -log(ka)

ph = -log(8.6*10-5)

ph = 4.06 answer

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