Q:

Which one of the following best defines an acid

saraalalwane
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2022-09-11
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Which one of the following best defines an acid?

  1. an aqueous solution with a pH of less than 7.0
  2. a substance that reacts with water to produce hydrogen ions
  3. a substance that reacts with water to produce hydroxide ions
  4. a substance that reacts with water to produce hydronium ions
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saraalalwane
2022-09-11
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D: A “hydrogen ion” H+ is a bare proton which, if it freely exists,

would attach to a water molecule to form the hydronium ion (H3O+). So choice

D is a better answer than Choice B.

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