Chemistry, 21.07.2020 22:01 mustafa455486a
Sulfuric acid in water dissociates completely into H+ and HSO4− ions. The HSO4− ion dissociates to a limited extent into H+ and SO42−. The freezing point of a 0.1778 m solution of sulfuric acid in water is 272.47 K. For water, Kf=1.86∘C/m.
Required:
Calculate the molality of SO4(2-) in the solution, assuming ideal solution behavior.
Answers: 3
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A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.
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Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.
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Sulfuric acid in water dissociates completely into H+ and HSO4− ions. The HSO4− ion dissociates to a...
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