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Unformatted text preview: 2 H 3 O 2 = 1.8x10-5 K a for HOCl = 2.9x10-8 . CHEM 1123 Project #5 Spring, 2010 NAMES: 1. Calculate the pH of a 0.35 M sodium hypochlorite solution. HINT: The K a for HOCl = 2.9x10-8 . 2. How many moles of NaOH would you add to 1.00 L of 0.16 M HOCl(aq) to form a buffer with pH = 7.20? 3. a) Complete the equation for the reaction between acetic acid and the nitrite ion. b) Now give the direction favored for the equilibrium (forward or reverse). HINT: K a for HC 2 H 3 O 2 = 1.8x10-5 K a for HNO 2 = 7.1x10-4....
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- Spring '06