Chemistry, 29.01.2020 03:52 hellothere2458
8.43g of cacl2·2h2o is dissolved in 40.0g of h2o. what is the molality of the solution? (note that the h2o in the cacl2·2h2o must be included in the molar mass of the compound in order to calculate the moles of solute. also note that the h2o contributed by this solute must be included in the total amount of solvent present in the solution in calculation of molality.
Answers: 2
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Compare and contrast physical changes with chemical changes.
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Two liquids are poured into a beaker. after a few seconds, the beaker becomes warm. which of the following best describes this reaction? a. an exothermic reaction b. a decomposition reaction c. an endothermic reaction d. a single-displacement reaction
Answers: 1
8.43g of cacl2·2h2o is dissolved in 40.0g of h2o. what is the molality of the solution? (note that...
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