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does store bought sodium carbonate need to be dried? Options
 
monkeyboy
#1 Posted : 4/9/2011 12:51:04 AM
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while looking for pool supplies, swim came across sodium carbonate...

he knows sodium bicarb needs to be cooked to dehydrate and turn it into sodium carbonate- does storebought sodium carbonate need to be cooked?

is it hydroscopic?
 

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endlessness
#2 Posted : 4/9/2011 12:59:35 AM

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Arent you going to mix it with water afterwards?

What use are you considering for it?
 
LandOfOz
#3 Posted : 4/9/2011 1:40:20 AM

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you also loose carbon when you cook sodium bicarb. not just water. hence it not being reversed by addition of water.
 
alzabo
#4 Posted : 4/9/2011 2:06:21 AM

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Does this mean that when we convert baking soda to sodium bicarbonate and see bubbles coming off, those bubbles are carbon dioxide and steam?
2NaHCO3(s) -> Na2CO3(s) + CO2(g) + H2O(g)
^like that?
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endlessness
#5 Posted : 4/9/2011 2:21:00 AM

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yep Smile
 
 
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