CHAPTER 16 Acids and Bases The pH Scale. 2 13.2 The pH Scale Soil at a high pH makes hydrangea flowers…

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The pH Scale p H doesn’t just tell us if a solution is neutral, an acid or a base It also tells us: the concentration of H + ions in the solution in moles/L Water is neutral: [H + ] = 1 x M and pH = 7 pH and [H + ]