What Is the PH of a 0 A)222
B)2

Multiple Choice

What is the pH of a 0.500 mol L^-1 NH₃ solution that has K_b = 1.8 × 10^-5? The equation for the dissociation of NH₃ is below: $$\mathrm { NH } _ { 3 } ( a q ) + \mathrm { H } _ { 2 } \mathrm { O } ( l ) \rightleftharpoons \mathrm { NH } _ { 4 } + ( a q ) + \mathrm { OH } ^ { - } ( a q )$$

A) 2.22
B) 2.52
C) 11.48
D) 10.48