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The pH of 0.010 M o-cresol is 6.05. Find the pKa for this weak acid.? Cresol: C6H4(OH)(CH3)

1 Answer

Feb 5, 2018

10.10

Explanation:

For a weak acid we can write:

#sf(pH=1/2[pK_a-logc])#

#:.##sf(6.05=1/2[pK_a-(-2)])#

#sf(1/2pK_a=5.05)#

#sf(pK_a=10.10)#

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