Question

In a solution buffered to pH 3.443 that contains benzoic acid, propanoic acid, formic acid, and hydrazoic acid, what percent
Acids Acid Formula Tonization Constant 1.8x10-5 CH3COOH HAO 5.5x10-3 Benzoic Boric Butanoic CHECOOH 6.3x10-5 MyB03 5.4x10-10
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Answer #1

Giren, pH = 3,443 and Ka for Hydrazoic aid = 2.5x105 using Henderson - Hasselbalch equation, pHapka + log 14 15 pka-logka 3.4

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