Consider the Titration of 300 $\times$ 10^-5)with 0

Multiple Choice

Consider the titration of 300.0 mL of 0.577 M NH₃ (K_b = 1.8 $\times$ 10^-5) with 0.500 M HNO₃.After 150.0 mL of 0.500 M HNO₃ have been added,the pH of the solution is:

A) 4.63
B) 11.37
C) 6.37
D) 9.37
E) none of these