Answer: I have the same test message me
Explanation: it won’t let me share my answers
An SI base unit for measuring length would be meters.
A or D I think...sorry if it’s wrong
Answer:
To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter (molarity). The pH is then calculated using the expression: pH = - log [H3O+].
Example: Find the pH of a 0.0025 M HCl solution.
