(Solution) - A sample of potassium aluminum sulfate 12 hydrate KAl SO4 2 12H2O -(2025 Original AI-Free Solution)

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A sample of potassium aluminum sulfate 12-hydrate, KAl(SO4)2 ? 12H2O, containing 118.6 mg is dissolved in 1.000 L of solution. Calculate the following for the solution:
a. The molarity of KAl(SO4)2.
b. The molarity of SO42.
c. The molality of KAl(SO4)2, assuming that the density of the solution is 1.00 g/mL.