Write a paragraph or two below to explain why there is a little change in the pH of battery acid when it is diluted with water. Also include in your answer the water equilibrium expression
what could you add to the battery acid to significantly change the pH of the solution?

Explanation:

The acid is becoming less acidic. Similarly, when an alkali is diluted with water the concentration of OH - ions decreases. This causes the pH of the alkali to fall towards 7, making the solution less alkaline as more water is added.

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