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

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: