Question

An aqueous mixture of phenol and ammonia has initial concentrations of 0.200 M C6H5OH(aq) and 0.120 M NH3(aq). At equilibrium, the C6H5O-(aq) concentration is 0.050 M. Calculate K for the reaction.
C6H5OH(aq) + NH3(aq) C6H5O- + NH4+(aq)
A.0.10
B.0.24
C.2.1
D.4.2
E.4.8

Answer

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