9-12. (a) Calculate the pH of a solution prepared by mixing 0.080 0 mol of chloroacetic acid plus 0.040 0 mol of sodium chloroacetate in 1.00 L of water. (b) Using first your head and then the Henderson-Hasselbalch equation, find the pH of a solution prepared by dissolving all of the following compounds in a total volume of 1.00 L: 0.180 mol CICH2CO,H, 0.020 mol CICH,CO,Na, 0.080 mol HNO3, and 0.080 mol Ca(OH)2. Assume that Ca(OH)2 dissociates completely.

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9-12. (a) Calculate the pH of a solution prepared by mixing
0.080 0 mol of chloroacetic acid plus 0.040 0 mol of sodium
chloroacetate in 1.00 L of water.
(b) Using first your head and then the Henderson-Hasselbalch
equation, find the pH of a solution prepared by dissolving all
of the following compounds in a total volume of 1.00 L: 0.180
mol CICH2CO,H, 0.020 mol CICH,CO,Na, 0.080 mol HNO3,
and 0.080 mol Ca(OH)2. Assume that Ca(OH)2 dissociates
completely.
Transcribed Image Text:9-12. (a) Calculate the pH of a solution prepared by mixing 0.080 0 mol of chloroacetic acid plus 0.040 0 mol of sodium chloroacetate in 1.00 L of water. (b) Using first your head and then the Henderson-Hasselbalch equation, find the pH of a solution prepared by dissolving all of the following compounds in a total volume of 1.00 L: 0.180 mol CICH2CO,H, 0.020 mol CICH,CO,Na, 0.080 mol HNO3, and 0.080 mol Ca(OH)2. Assume that Ca(OH)2 dissociates completely.
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