When one drop of a concentrated HCl solution is added to one litre of pure water at 25C , the pH drops suddenly from 7 to about 4. When the second drop of the same acid is added, pH of the solution further drops to aboutA. 3.7B. 2.0C. 1.0D. 0
When one drop of a concentrated HCl solution is added to one litre of pure water at 25C , the pH drops suddenly from 7 to about 4. When the second drop of the same acid is added, pH of the solution further drops to about
A. 3.7
B. 2.0
C. 1.0
D. 0