25.0mL of a 0.100M solution of NH3 is titrated with 0.150M HCl. After 10.0mL of the HCl has been added, the resultant solution is:
a) basic and before the equivalence point
b) basic and after the equibalence point
c) acidic and before the equivalence point
d) acidic and after the equibalence point
e) neutral and at the equivalence point