The following observations are made about a diprotic acid H 2 A: (i) A 0.10 M solution

Question:

The following observations are made about a diprotic acid H₂A:

(i) A 0.10 M solution of H₂A has pH = 3.30.

(ii) A 0.10 M solution of the salt NaHA is acidic.

Which of the following could be the value of pK_a2 for H₂A:

(i) 3.22

(ii) 5.30

(iii) 7.47

(iv) 9.82?

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Chemistry The Central Science

ISBN: 9780321910417

13th Edition

Authors: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus

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Question Posted: Oct 21, 2020 06:21 AM

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The following observations are made about a diprotic acid H 2 A: (i) A 0.10 M solution

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1 The pH of 010 M H 2 A solution is 330 A 010 M NaHA solution is acidic Let us find whic...View the full answer

Chemistry The Central Science

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