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Tough question about solubility.

cladking
in Applied Chemistry

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I don't think I could solve this back when I was good at it.

 

What would be expected to precipitate from water saturated in carbon dioxide, calcium carbonate and gypsum including a substantial amount of sodium decahydrate and some sodium bicarbonate and sodium chloride as the pressure decreases and the temperature increases? There are several more exotic compouns in trace quantities.

 

I suppose the question really boils down to what is the proportion of gypsum to calciuum carbonate in carbonic acid?

 

Thanks very much in advance for any help.

  • 1 month later...
  • Author

One last try here.

 

The CO2 would be dissolved first and under extremely high pressure around 54 degrees F. Assume ample quantities of gypsum and calcium carbonate for saturation.

 

I don't need exact numbers so much as a ballpark estimate of the proportions.

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