Which aqueous solution will have the lowest boiling point temperature? a. 0.100 molal NiBr2(aq) b. 0.200 molal MgSO4(aq) c. 0.150 molal NH4NO3(aq) d. 0.150 molal Na2SO4(aq) e. 0.250 molal CH3OH(aq), methanol

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Q: The vapor pressure of pure benzene is 750.0 torr and the vapor pressure of toluene is 300.0 torr at…

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A: We know that,  the partial pressure of solute in vapor phase is equal to the mole fraction of solute…

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A: Given,           Weight of the covalent compound (W2) = 16.6 g           Weight of the solvent…

Q: - Solution (1): 0.0300 mol A (s) and 18.02 g H,0 (e) - Solution (2) : 0.0100 mol B (s) and 36.04 g…

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Q: he solubility of glucose is 357g/100g H20 at 70C. A solution is prepared by mixing 300g of glucose…

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A: When we add a solute to any solvent, then the boiling point of the solution will be increased.

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Q: Determine the vapor pressure at 25 °C of an aqueous ethylene glycol (C2H6O2) solution that is 14.8 %…

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Q: What is the mass fraction of salt? A. 0.0476 B. 0.0500 C. 0.9524 D. 0.0876 What is the mole fraction…

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Q: Determine the molal concentration

A: Molal concentration is the ratio of number of moles of solute to the mass of solvent (in kg)

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A: Given: The mass of water is 288.0 g. The freezing point of the solution is 0.500°C. The Kf for water…

Q: A student dissolves 4.9g of methanol CH3OH in 275.mL of a solvent with a density of 1.06/gmL…

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Q: C. Calculate the molality of a water solution if the boiling point is: 9. 103.12°C 10. 108. 32°C

A: First calculate ∆Tb for both solution and then find out molality for both solution.

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Q: a. Is -8.0C°. What is the molal concentration of the solution? (K; =-1 a-1.86 b-4.3 C-4.5 d-14.8…

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Q: (6) Determine the vapor pressure of a solution at 25°C that contains 76.6 g of glucose (C6H1206) in…

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Q: In an aqueous solution of sulfuric acid, the concentration is 7.21 mol% of acid. The density of the…

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Q: The freezing point of an aqueous solution of MgBr2 was found to   be   -3.0 °C. Calculate the…

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Q: For questions #24 - #26 A solution contain 70.2g sugar (molar mass = 342g/mol) dissolved in 816g of…

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Q: vapor pressure

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Q: The normal boiling point of a certain liquid X is 141.80 °C, but when 60.9 g of iron(III) nitrate…

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Q: termine the vapor pressure of an aqueous solution containing 45.00 g of glucose (a non-volatile

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