Unit Test — Unit test Answers

A solution of ammonia has a pH of 11.8. What is the concentration of OH– ions in the solution?Useful formulas include , , , and .

A solution of HCl has = 0.01 M. What is the pH of this solution?Use .

Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 g of NaCl in 500. mL of solution?Use .

A 1.00 L volume of HCl reacted completely with 2.00 L of 1.50 M Ca(OH)2 according to the balanced chemical equation below.2HCl + Ca(OH)2 CaCl2 + 2H2OWhat was the molarity of the HCl solution?

Note the pH and pOH values labeled with letters on the pH scale below.Based on log rules and the way pH is calculated, what is the difference in [OH– ] concentration between point A and point B.