Chemistry, asked by nishit1504, 5 months ago

Equivalent conductances of NaCl, HCl and CH₃COONa at infinite dilution are 126.45, 426.16, 91 Ω⁻¹cm²eq⁻¹ respectively. Calculate the degree of dissociation of CH₃COOH, if equivalent conductance of \frac{N}{10} CH₃COOH solution is 30.071.

Answers

Answered by omkarKing2708
1

Answer:

Given that,

˚

NaCl=126.45 ohm

−1

cm

2

eq

−1

˚

HCl=425.16 ohm

−1

cm

2

eq

−1

˚

CH

3

COONa=91 ohm

−1

cm

2

eq

−1

˚

NaCl=

˚

Na

+

+

˚

Cl

=126.45……(i)

˚

HCl=

˚

H

+

+

˚

Cl

=425.16……(ii)

˚

CH

3

COONa=

˚

CH

3

COO

+

˚

Na

+

=91……(iii)

˚

CH

3

COOH=

˚

CH

3

COO

+

˚

H

+

⇒(iii)+(ii)–(i)

⇒425.16+91–126.45

=389.71 ohm

−1

cm

2

eq

−1

Answered By 0mk@r

Explanation:

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