Freezing point for molar mass.Do not round mid equation because Aleks flags it. Round at the end to appropriate sig figs < >=AAWatch Online Foundation 2021 Fr...O STATES OF MATTERUsing a solution freezing point to...Explanationnen 4.28 g of a certain molecular compound X are dissolved in 35.0 gofformamide (NH₂COн), the freezing point of the solution is measured to be-1.4 °C. Calculate the molar mass of x.www-awa.aleks.comIf you need any additional information on formamide, use only what youfind in the ALEKS Data resource. Also, be sure your answer has a unitsymbol, and is rounded to 2 significant digits.0CheckC clumperrucksey.life/InQ7KZbzagh... XA ALEKS- Andrew Herrera - Learn☐x1000:Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility

Mass of X = 4.28 g Mass of formamide = 35.0 g = 0.035 kg (1 kg = 1000 g) Freezing point of solution…

Y. nen 4.28 g of a certain molecular compound X are dissolved in 35.0 g of formamide (NH₂COH), the freezing point of the solution is measured to be -1.4 °C. Calculate the molar mass of x. If you need any additional information on formamide, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 2 significant digits. 0 8 0..9 0 0

Y. nen 4.28 g of a certain molecular compound X are dissolved in 35.0 g of formamide (NH₂COH), the freezing point of the solution is measured to be -1.4 °C. Calculate the molar mass of x. If you need any additional information on formamide, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 2 significant digits. 0 8 0..9 0 0

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 66QAP: The Henry's law constant for the solubility of radon in water at is 9.57106 M/mm Hg. Radon is...

See similar textbooks

Similar questions

You make 20.0 g of a sucrose (C12H22O11) and NaCl mixture and dissolve it in 1.00 kg water. The freezing point of this solution is found to be 0.426C. Assuming ideal behavior, calculate the mass percent composition of the original mixture, and the mole fraction of sucrose in the original mixture.
Determine how ideal the following solutions are by calculating the mole fraction of solute in each solution, and comparing that to the expected mole fractions. All data are for 25.0C. a14.09 weight percent of I2 in C6H6, MP of I2 is 112.9C sublimes, and fusH=15.27kJ/mol b2.72 weight percent of I2 in C6H12, MP of I2 is 112.9C sublimes, and fusH=15.27kJ/mol c20.57 weight percent of para-dichlorobenzene, C6H4Cl2, in hexane, MP of C6H4Cl2 is 52.7C and fusH=17.15kJ/mol
Hydrochloric acid is sold as a concentrated aqueous solution. If the concentration of commercial HCl is 12.0 M and its density is 1.18 g/cm3, calculate the following: (a) the molality of the solution (b) the weight percent of HCl in the solution
An aqueous solution containing 0.250 mole of Q, a strong electrolyte, in 5.00 102 g water freezes at 2.79C. What is the vant Hoff factor for Q? The molal freezing-point depression constant for water is 1.86C kg/mol. What is the formula of Q if it is 38.68% chlorine by mass and there are twice as many anions as cations in one formula unit of Q?
The Henry's law constant for the solubility of radon in water at is 9.57106 M/mm Hg. Radon is present with other gases in a sample taken from an aquifer at 30C. Radon has a mole fraction of 2.7106 in the gaseous mixture. The gaseous mixture is shaken with water at a total pressure of 28 atm. Calculate the concentration of radon in the water. Express your answers using the following concentration units. (a) molarity (b) ppm (Assume that the water sample has a density of 1.00 g/mL.)
A gaseous solute dissolves in water. The solution process has H=15 kJ. Its solubility at 22C and 6.00 atm is 0.0300 M. Would you expect the solubility to be greater or less at (a) 22C and 1 atm? (a) 18C and 6 atm? (a) 15C and 10 atm? (a) 35C and 3 atm?