According to solubility curves chemistry reference table, which saturated solution is the most concentrated?

a) KCLO3 at 10 degrees celsius


b)KNO3 at 70 degrees celsius


c) NH3 at 100 degrees celsius


d)KI at 0 degrees celsius

According to solubility curves chemistry reference table, which saturated solution is the most concentrated?
I think KNO3 at 70 degrees Celsius.


Why?


Most salt's solubility increase when the temperature is increase.


Why?


Because the reaction is endothermic.





However,gas (for example NH3) solubility in water increase as temperature goes down.
Reply:I don't have a copy of the reference tables to refer to, so I can just tell you it is which ever one is most to the LEFT of its plot. I have a feeling it is d) potassium iodide.