Respuesta :
Answer:
D. Solution A has more concentrated acid than solution B and acid in solution A is also a weaker acid than that in solution B.
Explanation:
As it has been said in the question that the volume to reach the equivalence point of the solution A is twice the volume of solution B, this is because the acid in the solution A is more concentrated than B that's why more NaOH was required to reach to the equivalence point.
Since the pH at the equivalence point was greater for solution A that means the acid in solution A was a weak acid that's why the pH raised more as the NaOH was added to the solution.
The statement that asserts a true claim would be:
D). Solution A has more concentrated acid than solution B and acid in solution A is also a weaker acid than that in solution B.
- The last statement states a true assertion that solution is comparatively more concentrated than solution B however the acid present in solution A is feeble.
- The reason behind this is because that solution A is excessively concentrated which makes it need extra NaOH to attain the point of equivalence.
- And because the pH that exists at the point of equivalence point is more in for solution A, it implies that solution A carries a weak acid.
Thus, option D is the correct answer.
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