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The pH scale. pH Measure of acidity of a solution 0 to 14 Water is neutral because of equal amounts of hydrogen and hydroxide ions. Acidic solution has.

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Presentation on theme: "The pH scale. pH Measure of acidity of a solution 0 to 14 Water is neutral because of equal amounts of hydrogen and hydroxide ions. Acidic solution has."— Presentation transcript:

1 The pH scale

2 pH Measure of acidity of a solution 0 to 14 Water is neutral because of equal amounts of hydrogen and hydroxide ions. Acidic solution has excess of hydrogen ions. Alkaline soltion has excess of hydroxide ions.

3 pH means power of hydrogen At ph =7 Hydrogen ions at concentration of 1 x 10^-7 At ph =6 Hydrogen ion concentration of 1 x 10^-6 Etc Ph change of 1 unit is change in hydrogen ion concentration of 10 Ph change of 2 is change in hydrogen ion concentration of 100.

4 Equation

5 How to determine pH PH Meter Universal indicator

6 To Do Read page 215 Answer questions 1 to 8 on page 216


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