Question $1$

a$)$ What is the $pH$ of $5{10}^{-8}$MKOH solution at $25C?$ Perform your calculations manually on paper first and then compare your answer with output from Visual MINTEQ. Discuss reasons for any discrepancies between answers. Show all your work. Copy Visual MINTEQ output values into your answer sheet.

b$)$ Repeat $pH$ calculations for temperatures $20$degC,$30$degC,$35$degC and $40$degC. What is the effect of temperature on $pH?$