pH = -log[H+]; pOH = -log[OH-]; pH + pOH = 14; Ka & Kb = Kw; pKa = -log Ka; pKa + pKb = pKw; [H+] = 10^-pH; [OH-] = 10^-pOH;
IF ALL CHOICES ARE NOT CORRECT, THEN THE ANSWER IS E. none of the above
1. What is the pH of 0.100 M solution of HBr?
A. -1.00 B. 1.0 C. 1.00 D. 1.000
2. 4.0 g of NaOH are dissolved in 1000.00 mL solution. What is the pH?
A. 11.00 B. 12.00 C. 13.00 D. 14.00
3. What is the pH of a solution when 500 mL 0.1 M HCl solution is added to 500 mL 0.1 M KOH solution?
A. 1.0 B. 13.0 C. 0.0 D. 7.0
4. Which of the following is the STRONGEST acid?
Acid Molarity pH
A. 1 0.010 M 2.00
B. 2 0.010 M 3.00
C. 3 0.010 M 4.00
D. 4 0.010 M 5.00
5. What is the role of H2O in HCO3- + H2O ⇌ CO3^2- + H3O+ ?
A. Acid B. Base C. Conjugate acid D. Conjugate Base
6. Which of the following solutions has a pH more than 7.0?
A. KCl B. NaCN C. CaCl2 D. LiBr