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Topic: molarity  (Read 3697 times)

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Offline Sambo

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molarity
« on: July 07, 2010, 03:47:52 PM »
Calculate the molarity of acetic acid in a vinegar sample, knowing that 5.00 mL of vinegar requires 43.50 mL of 0.105 M NaOH to just reach the phenolphthalein endpoint in a titration. I m having trouble with this. Thanks!
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Offline AWK

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Re: molarity
« Reply #1 on: July 08, 2010, 03:26:10 AM »
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Offline relike868

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Re: molarity
« Reply #2 on: July 08, 2010, 06:29:16 AM »
Some tips: number of moles =  Molarity*volume
and writing the following equation could be useful:
CH3COOH + NaOH = ??
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