s People Window Help x G Calculate the pH of the result x Wibiscms/mod/ibis/view

Question

s People Window Help x G Calculate the pH of the result x Wibiscms/mod/ibis/view.php?id 3364748 4/12/2017 11:55 PM 0/100 Gradel Print Calculator Periodic Table Question 3 of 10 Pung Learning The hall point of to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted. 0.300 moles of a monoprotic weak acid (K. 8.6 x 10 is with NaoH, what is the pH of the solution at the half-equivalence titrated point? pH e Previous 8 Give up s view Solution Check Answer o Next aExit

Explanation / Answer

Ka = 8.6 x 10^-5

pKa = -log Ka

pKa = -log (8.6 x 10^-5)

pKa = 4.07

at half equivalence point moles of acid = moles of base

here pH = pKa

pH = 4.07

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