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drek231 [11]
3 years ago
13

In its aqueous solution, 32% of a substance dissociates to release hydroxide ions. Which of the following is true for the substa

nce? It is a weak acid. It is a weak base. It is a strong acid. It is a strong base.
Chemistry
1 answer:
Scrat [10]3 years ago
5 0

The solution is a weak base. a weak base is that which dissociates partially in aqueous solution to give hydroxide ions as the only negatively charged ions. In the provided information, only 32 %of the substance dissociates thus it is a partial dissociation. Most of the energy is used to break bonds thus the remaining energy is not enough to cause complete dissociation.

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In the reaction as follows: NH2- + CH3OH → NH3 + CH3O−, NH2- is the Brønsted-Lowry base.

BRØNSTED-LOWRY BASE:

  • According to Bronsted-Lowry definition of a base and acid, a base is substance that accepts an hydrogen ion or proton (H+) while an acid is a substance that donates a proton.

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  1. NH2- is a reactant that accepts a hydrogen ion (H+) to become NH3+
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