April 18, 2015

Homework Help: LAB!!!!!

Posted by Hodgkin on Monday, June 19, 2006 at 4:17pm.

can someone check this for me????

Thanks I really appreciate it!!!!!

Calcium Chloride
Melting Point: 772 C (anhydrous)
Solubility (water): highly soluble in water
Solubility (Ethanol): Soluble
Conductivity: ATC mode: 183.25
Citric Acid
Melting Point: 153 C (426 K)
Solubility (water): insoluble
Solubility (Ethanol): Soluble
Conductivity: None
Phenyl Salicylate
Melting Point: 41C
Solubility (water): Insoluble
Solubility (Ethanol): soluble
Conductivity: None
Potassium Iodide
Melting Point: 680 C (953 K)
Solubility (water): Soluble
Solubility (Ethanol): Soluble
Conductivity: ATC mode: 131.23
Sodium Chloride
Melting Point: 801 C (1074 K)
Solubility (water): Soluble
Solubility (Ethanol): Soluble
Conductivity: ATC mode: 296.81
Melting Point: 186C (? K)
Solubility (water): Soluble
Solubility (Ethanol): Soluble
Conductivity: None

I don't know your reference but you have a lot of info there. However, I think you need to relook at the solubility of citric acid in water. My reference says it is soluble and it has so many OH and COOH groups that I would expect it to be soluble in water, too.

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