Q:

The hydrogen ion concentration in a solution

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The hydrogen ion concentration in a solution.


  1. Equals the hydroxyl ion concentration at pH 7.
  2. Rises with increasing acidity.
  3. Of pH 5 is 100 times greater than that in a solution of pH 7.
  4. Is inversely related to the hydroxyl ion concentration.
  5. Is approximately doubled if the pH falls by 0.3 units.

All Answers

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 A. True This is the neutral pH of water.

B. True The pH falls.

C. True pH is minus log10 hydrogen ion concentration.

D. True The product of these ionic concentrations is constant.

E. True Log 2=0.301.

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