Can someone explain how to do these? I feel like the first one is E as KOH and HCL are strong base/strong acid.
4. ___________ The pH of a solution prepared by mixing 45.0 mL of 0.183 M KOH and 65.0 mL of HCl is __________.
A) 1.314
B) 2.923
C) 0.744
D) 1.966
E) 7.148
5. ____________ In which of the following aqueous solutions would you expect AgBr to have the lowest solubility?
A) pure water C) 0.10 M
B) 0.20 M NaBr D) 0.15 M KBr
E) 0.10 M LiBr