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

What is one real world example of a colligative property?

The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c