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Chemistry, 11.12.2019 22:31 silveryflight
Enter your answer in the provided box. the formula that governs the depression of freezing point and elevation of boiling point for a solution consisting of a solute dissolved in a solvent is: where: at = the temperature change between a pure solvent and its solution i = the number of species per mole of solute that are dissolved in the solvent (e. g., i = 1 for a non-ionic solute that does not break apart into ions, i = 2 for an ionic solute such as br that breaks apart into two ions, k* and br, and so on) a constant related to the solvent m = molality of the solute (molality, m = moles of solute / kg of solvent) using the above equation, how many grams of salt (cacl2) would need to be added to 1 l of water in order for the boiling point of the solution to reach 103.5 °c? assume that the density of water is 1.0 g/ml and that cacl2 completely dissociates into three ions − i. e., a ca2+ ion and two cl− ions. the boiling point constant, kb, for water is 0.515 °c/m.
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