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Topic: pH of Formic Acid  (Read 7585 times)

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Offline soupastupid

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pH of Formic Acid
« on: October 14, 2008, 08:19:46 PM »
Calculate the pH of a formic acid solution that contains 1.45% formic acid by mass. (Assume a density of 1.01 {\rm{ g}} / {\rm{mL}} for the solution.)
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Offline soupastupid

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Re: pH of Formic Acid
« Reply #1 on: October 14, 2008, 09:01:44 PM »
is the answer 2.5 pH?
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Offline Borek

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Re: pH of Formic Acid
« Reply #2 on: October 15, 2008, 05:22:52 AM »
I got lower value.
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Offline soupastupid

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Re: pH of Formic Acid
« Reply #3 on: October 15, 2008, 04:23:04 PM »
howd u do it?
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Offline soupastupid

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Re: pH of Formic Acid
« Reply #4 on: October 15, 2008, 04:43:23 PM »
hi
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Offline Borek

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Re: pH of Formic Acid
« Reply #5 on: October 15, 2008, 05:03:39 PM »
Show how you did it. How you calculated concentration, what you did then.
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Offline soupastupid

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Re: pH of Formic Acid
« Reply #6 on: October 15, 2008, 05:23:08 PM »
THISSSSS

it doesnt post

half the time
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Offline Borek

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Re: pH of Formic Acid
« Reply #7 on: October 15, 2008, 06:36:39 PM »
0.0145g per 100g is not 1.45%.
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Offline soupastupid

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Re: pH of Formic Acid
« Reply #8 on: October 15, 2008, 09:44:58 PM »
is the pH 2.12?
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Offline Borek

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Re: pH of Formic Acid
« Reply #9 on: October 16, 2008, 03:48:58 AM »
I got 2.13, could be difference in the Ka value used.
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