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Anhydrous calcium chloride is often used as a dessicant. In the presence of excess of CaCl_(2), the amount of the water taken up is governed by K_(p) = 6.4 x× 10^(85) for the following reaction at room temperature, CaCl_(2)(s) + 6H_(2)O(g)hArrCaCl_(2).6H_(2)O(s). What is the equilibrium vapour pressure of water in a closed vessel that contains CaCl_(2)(s) ? |
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