Question

The pH scale measures the hydrogen ion concentration in a liquid, which determines whether the substance is acidic or alkaline. A strong acid solution has a hydrogen ion concentration of 10-1 M and would have a pH of 1. A neutral substance has a hydrogen ion concentration of 10-7 M and would have a pH of 7. An unknown liquid is tested and is found to have a hydrogen ion concentration of 10"2. What is the pH?

Answer

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