SELECT * FROM question_mgmt as q WHERE id=1799 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=58 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 12th chemistry Electrochemistry the molar conductivity of 0 025 mol l 1 methanoic

Question:

The molar conductivity of 0.025 mol L-1 methanoic acid is

46.1 S cm2 mol-1.

Calculate its degree of dissociation and dissociation constant. Given λ0(H+)

= 349.6 S cm2 mol-1 and  λ0(HCOO-) = 54.6 S cm2 mol

Answer:

C = 0.025 mol L - 1

Now, degree of dissociation:

Thus, dissociation constant:


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