What is the pH of a 0.01 mol/L solution of hydrochloric acid?
Answer and explanation
Correct answer: A. 2
- Step 1: HCl is a strong acid, so mol/L. Step 2. . Answer: 2. Why not the others: 12 is the pH of a base of the same strength; 1 would need 0.1 mol/L; 0.01 is the concentration, not the pH.
Practise more Equilibrium, Acids, Electrochemistry and Organic Chemistry.
Free questions with an explanation for every one, and full timed Wazari Exam (Iraq Baccalaureate) - Scientific Branch mock tests.
More Equilibrium, Acids, Electrochemistry and Organic Chemistry questions
- What is the pH of a 0.001 mol/L solution of sodium hydroxide at 25 degrees C?
- Which expression gives for ?
- The equilibrium is exothermic in the forward direction. What happens when the temperature is raised?
- How many moles are in 11 g of carbon dioxide ( g/mol)?
- 4 g of sodium hydroxide ( g/mol) is dissolved to make 500 mL of solution. What is the concentration?
- 1.0 mol each of A and B are placed in a 1.0 L vessel and react: . At equilibrium 0.80 mol of C is present. What is…