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fogbound
Joined: 15 Mar 2015 Posts: 2 Location: United States

Posted: Sun Mar 15, 2015 3:59 pm Post subject: Brining 


Assume that I start with 1 liter of the purest water possible, salt with zero impurities, and a controlled environment with regard to temperature, humidity and barometric pressure.
If I add salt to the water until it will no longer dissolve, I end up with what folks in food processing call a 100% brine solution.
My question is, if I start adding water to this solution, will the decrease in salinity be linear?
In other words, will adding another liter of water result in a 50% brine, or adding 4 liters a 20% solution? 

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Dilbert
Joined: 19 Oct 2007 Posts: 1233 Location: central PA

Posted: Sun Mar 15, 2015 5:52 pm Post subject: 


hmmmm. you would wind up with a "saturated solution"
if you heat the water, more salt will dissolve, and you'll have a "supersaturated" solution.
a "percent" solution typically refers to the amount of salt by weight to the amount of water by weight.
dissolve one pound of salt in five pounds of water = 20% solution. 

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fogbound
Joined: 15 Mar 2015 Posts: 2 Location: United States

Posted: Sun Mar 15, 2015 6:37 pm Post subject: 


“dissolve one pound of salt in five pounds of water = 20% solution.”
But even if that’s so, the question remains  is the effect of any change in the ratio linear?
one pound of salt in ten pounds of water = 10% solution?
one pound of salt in one pound of water = 100% solution?
I'm not being argumentative, just lookin' for info. 

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Dilbert
Joined: 19 Oct 2007 Posts: 1233 Location: central PA

Posted: Sun Mar 15, 2015 7:06 pm Post subject: 


a ratio by weight is most definitely linear. 

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