Saved Bookmarks
| 1. |
Stomach acid is a solution of HCl with concentration of 2.2 × 10–3 M. what is the pH of stomach acid : (A) 3.92 (B) 2.65 (C) 4.92 (D) 1.92 |
|
Answer» Correct option: (B) 2.65 Explanation: HCl is 100 % ionised so [H3O+] = 2.2 × 10–3 M pH = – log (2.2 × 10–3 M) or pH = 2.65 |
|