The solubility of potassium sulfate in water is 6.85 g/100 mL at 0 ° C and 24.1 g/100 mL at 100C. From this we can conclude that:
A) potassium sulfate is an electrolyte.
B) the enthalpy of solution is less than zero.
C) potassium sulfate is insoluble in CH3OH.
D) the enthalpy of solution is positive.
E) none of these
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