What is the freezing point of an aqueous solution that contains 2.64 m NaBr? Kf for water is 1.86° C/m. Question 4.91°C -4.91°C O-9.82°C 00°℃ 9.82°C H

What is the freezing point of a solution of 0.208 moles of the nonelectrolyte urea (60.06g/mol) in 600.0g of benzene.(The normal freezing point of benzene is 5.50 oC and Kf = 5.12 oC/m) Select one: a. 1.77 oC b. 3.73 oC c. 7.27 oC d. 1.06 oC e. 4.44 oC

I Review | Constants | Periodic Table Determine the volume, in milliliters, required to prepare each of the following diluted solutions: Part A 259 mL of a 0.200 M HNO3 solution from a 4.00 M HNO3 solution Express your answer with the appropriate units. HA ? Value Units Submit Request Answer Part B 713 mL of a 0.100 M MgCl, solution using a 6.50 M MgCl, solution Express your answer with the appropriate units. µA ? Value Units

A high school chemistry teacher is preparing a solution by dissolving, 17.5mL of ethanol (ETOH) in H20 to make 145mL of total solution. The molar mass of Ethanol is 46.07 g/mole, and the density of EtOH is 0.789 g/mL. Determine the concentration (in M) of the ethanol in this solution?

The freezing point of an aqueous solution containing 35 g of an nonelectrolyte in 150 mL water is -10.4ï°C. What is the molecular weight of the compound? Kf = 1.86°C/m for water.     121 g/mol     2.78 g/mol     34.4 g/mol     41.73 g/mol     53.8 g/mol

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What is the freezing point of an aqueous solution that boils at 105.0°C?

QUESTION 8 Calculate the freezing point of a solution of 40.0 g methyl salicylate, C 7H 6O 2, dissolved in 800. g of benzene, C 6H 6.   and the freezing point is 5.50°C for benzene.   A 7.59°C   B 3.41°C   C 2.09°C   D -2.09°C