PH of $0.1 (N) C H_{3} C O O H$ $0.1(N)CH_3COOH$ is what?

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PH of $0.1 (N) C H_{3} C O O H$ $0.1(N)CH_3COOH$ is what?

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Answer 1 · 2017-07-02T01:35:34

pH = 2.87

Explanation:

Acetic Acid => HOAc

0.10 Normal HOAc = 0.10 Molar HOAc

$K_{a} (H O A c) = 1.8 \times 10^{- 5}$ $K_a(HOAc) = 1.8xx10^-5$

$[H^{+}] = \sqrt{K_{a} (HOAc)} = \sqrt{1.8 \times 10^{- 5} (0.10)}$ $[H^+] = sqrt(K_a("HOAc")) = sqrt(1.8xx10^(-5)(0.10))$ M = $0.0013 M in H^{+} i o n s$ $0.0013M "in" H^+ions$

$p H = - log [H^{+}] = - log (0.0013)$ $pH = -log[H^+] = - log(0.0013)$ = $- (- 2.87) = 2.87$ $-(-2.87) = 2.87$

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PH of $0.1 (N) C H_{3} C O O H$ $0.1(N)CH_3COOH$ is what?

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PH of 0.1(N)CH3COOH0.1(N)CH_3COOH is what?

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PH of $0.1 (N) C H_{3} C O O H$ $0.1(N)CH_3COOH$ is what?