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Question- I performed a chemistry experiment to determine thermodynamics of Ca(OH)2 solubility for both room temperature and boiling temperature. I determined the molar solubility of Ca(OH)2 and the concentration of [OH-]. I calculated my Ksp for Ca(OH)2 dissolving in water as 2.53x10^-5 but the reference/listed value for Ksp is 6.5x10^-5. How can I explain what could have caused the difference?
Please answer only if you are 100% confident
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