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For this question imagine that sea water is a 3.5 mass % solution of NaCl with a density of 1.00g/mL. Assume full dissociation of the NaCl.
a) Calculate the freezing point of sea water. Briefly explain why it is not 0 (degrees Celsius).
b) Calculate the osmotic pressure of sea water at 298K. Briefly explain how this relates to the desalination of sea water via reverse osmosis.
we did the grignard reagent experiment and one of the post-lab questions iswhat kinds of solvents cannot be used? give
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A mixture of 1.10 g H2 and 1.51 g He is placed in a 1.00 L container at 25°C. Calculate the partial pressure of each gas and the total pressure of PHe.
A powder contains benzoic acid mixed with starch. A student finds that a 2.96 g sample of the powder needs 39.91mL of a 0.096M sodium hydroxide solution for the acid to be neutralized. Explain what is the percent by mass of benzoic acid in the pow..
Explain what is the molality of Cl- ions in 5.11% by mass CaCl2(aq). The molar mass of calcium chloride is 110.98g/mol.
Define the phase diagram for acetic acid given the following information triple point at 289.7K as well as 1.29kPa critical temperature = 590.7K critical pressure = 5.78MPa freezing point is 289.8K at 0.1MPa.
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what is the concentration of H+ ions in a solution of hydrochloric acid that was prepared by diluting 5o.o ml of concentrated
In ethanol, with an absorbance of 1.210 (no units) at a wavelength of 530 nm. At this wavelength, the extinction coefficient of rhodamine 6G in EtOH is 116,000M^-1 cm^-1. If I have a 0.100 M solution of rhodamine 6G, what pathlength cell will be n..
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