1) What is the pH of a 5.51E-02 M solution of HCl? Report your answer to two places past the decimal point.
2) What is the pH of a 3.14E-04 M solution of HNO3? Report your answer to two places past the decimal point.
3) What is the pH of a 8.79E-03 M solution of NaOH? Report your answer to two places past the decimal point.
Hint: You may wish to calculate pOH first.
4) What is the pH of a 4.06E-05 M solution of Ca(OH)2? Report your answer to two places past the decimal point.
Hint: If you are given [Ca(OH)2], what is [OH1-]?