A 0-10 M solution of a weak acid- HX- is 0-059 - ionized- Evaluate K a for the acid-A- 3-8 - 10-9B- 3-5 - 10-8C- 7-0 - 10-6D- 4-2 - 10-6

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Depression in Freezing Point

A 0.10 M solu...

Question

A 0.10 M solution of a weak acid, HX, is 0.059% ionized. Evaluate K_a for the acid.

3.8 x 10^-9

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3.5 x 10^-8

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7.0 x 10^-6

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4.2 x 10^-6

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Solution

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Similar questions

K_{a}

\frac{M}{10}

25^{\circ} C

The solution of a salt of a weak acid and weak base will have $p H$ -

( $K_{b}$ = $10^{- 6}$ ; $K_{a}$ = $10^{- 4}$ )

H X

(K_{a} = 10^{- 5}) .

N a X

0.1 M

h

M O H

5.5 \times 10^{- 6}

K_{a}

\frac{N}{10}

25^{\circ} C

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