[alt-photo] Re: Stoichiometry for the nonscientist

EJ Photo ejnphoto at sbcglobal.net
Mon Aug 2 02:08:25 GMT 2010

You combine them together and figure out what happens to the "left overs".
The process generates a gas. Which one? how much? how do you deal with it?
These are the reason that some don't want to get people to mix their own
stuff because you can mess up. 

Eric Neilsen
Eric Neilsen Photography
4101 Commerce Street, Suite 9
Dallas, TX 75226
skype me with ejprinter
Let's Talk Photography
-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org
[mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On Behalf Of
David Ashcraft
Sent: Sunday, August 01, 2010 6:47 PM
To: The alternative photographic processes mailing list
Subject: [alt-photo] Re: Stoichiometry for the nonscientist

OK - What if I needed to mix a formula like: 180 gms potassium oxalate  
K2C204.H2O mixed with water to make 1 liter.  I only have potassium  
carbonate and oxalic acid on hand.

I know that I can make this formula of potassium oxalate by mixing  
potassium carbonate and oxalic acid; PC is K2CO3 and OC is C2H204.   
Now how would I know how much of each of these to make up my original  


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