Why polymers can't change in to gas state?

Ba2+ + SO4 2- If BaSO4 = 1.028*10^-5M , then Ba2+ and SO42- = 1.028*10^-5M Ksp BaSO4 = Ba2+ SO4 2- Ksp BaSO4 = (1.028*10^-5) * (1.028*10^-5) Ksp BaSO4 = 1.057*10^-10 To correct number of significant figures: 1.0*10^-10.

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