22. Chemists define the acidity of a liquid on a pH scale. The pH of distilled water is 7, a liquid with a pHlower than 7 is called an ACID and a pH greater than 7 is called a BASE. (2 marks) a) Find the pH of a liquid with a hydrogen ion concentration of 5.3 × 10¯³. What type of liquid is it? b) The pH of a liquid is 8.3. Find the hydrogen ion concentration [H*].

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