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Topic: Bases + Acids  (Read 4253 times)

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SorchaMM

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Bases + Acids
« on: April 08, 2005, 01:15:50 AM »
I asked this earlier about types of bases, but I'm also confused about bases and acids reacting:

a. Calcium hydroxide solution with acetic acid
so Ca(OH)2 + CH3COOH yields ???

I know I get H3O+ + CH3COO- when Im mixing acetic acid with water, right? But then with calcium hydroxide, how do I know what decides to combine with what? I don't even know if I'm setting it up right.
Is water a by product? or.... ?

Garneck

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Re:Bases + Acids
« Reply #1 on: April 08, 2005, 02:50:07 AM »
Ca(OH)2 + 2 CH3COOH --> (CH3COO)2Ca + 2H2O

Calcium cation reacts with acetate anion.
H+ reacts with OH-

You can of course make your equations longer, writing the hydrolisis of CH3COOH to get the H3O+.

Really, it's in the books.

Offline Borek

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Re:Bases + Acids
« Reply #2 on: April 08, 2005, 04:58:37 AM »
Look for neutralization reaction between acid and base.
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Offline Borek

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Re:Bases + Acids
« Reply #3 on: April 08, 2005, 05:00:59 AM »
Calcium cation reacts with acetate anion.

Some complexation is possible, but in general they are just spectator ions.
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Garneck

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Re:Bases + Acids
« Reply #4 on: April 08, 2005, 11:47:08 AM »
Yeah, well the general idea is H+ + OH- = H2O

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