1. what is the pH of a NaOH solution that has a [H+] concentration of 3.1 x 10^2 M? a. 9.51
b. 4.58
c. 12.49
d. 11.51

2. What is the molarity of a solution that contains 9.78 grams of NaBr in .21 L of solution? Round to two places after the decimal
Molar Masses:
Na= 22.99
Br=79.904

3. To make 2.54 L of 0.71 M sulfuric acid, how many mL of a 9.7 M stock solution should be used? round to 2 places after the decimal