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Mass of KOH
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Topic: Mass of KOH (Read 2835 times)
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cloud5
Regular Member
Posts: 19
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Mass of KOH
«
on:
November 01, 2010, 08:49:31 PM »
Please help me to check and correct my answer if I'm wrong.
The answer given is 0.60g but I got 0.434g.
http://img153.imageshack.us/i/q12yv.jpg
http://img100.imageshack.us/i/ansy.jpg
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rabolisk
Chemist
Full Member
Posts: 494
Mole Snacks: +45/-25
Re: Mass of KOH
«
Reply #1 on:
November 02, 2010, 01:06:49 AM »
You assumed that H
+
reacted with OH
-
where OH
-
was the limiting reactant. But then the remaining H
+
would be in equilibrium with the HA, causing more HA to dissociate...
HF + OH
-
F
-
+ H
2
O
Try to use the above hint.
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Mass of KOH