5. An element consisting of hydrogen and calomel electrodes is used to measure the pH of a solution on a mountain where the atmospheric pressure is 500 mmHg. Hydrogen bubbles through the electrode and is released as bubbles at a pressure that matches the ambient pressure. If the calculated pH value is 4, what is the true pH value of the solution?

If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.