GMAILCANVAS PHY&CHEM HWMass=The freezing point of water is 0.00 °C at 1 atmosphere.How many grams of barium chloride (208.2 g/mol), must be dissolved in 256.0 grams of water to reduce the freezing point by 0.450 °C? Refer to the table forthe necessary boiling or freezing point constant.SolventFormulaKb (°C/m) K(°C/m)WaterH₂O0.512EthanolCH3 CH₂OH1.22ChloroformCHC133.67BenzeneC6H62.53Diethyl ether CH3 CH2 OCH2 CH3 2.02Submit Answerlocator assignment-Fall 2023 Tutoring S..g[Review Topics][References]Use the References to access important values if needed for this question.Retry Entire Group1.861.995.129 more group attempts remainingPreviousNext The boiling point of water is 100.00 °C at 1 atmosphere.A student dissolves 10.04 grams of nickel(II) sulfate, NiSO4 (154.8 g/mol), in 231.4 grams of water. Use the table of boiling and freezing point constants toanswer the questions below.SolventWaterEthanolChloroformBenzeneKb (°C/m) Kf (°C/m)0.5121.861.221.993.67C6H62.53Diethyl ether CH3CH₂OCH₂CH3 2.02FormulaH₂OCH3CH₂OHCHCI 3The molality of the solution is[Review Topics][References]Use the eferences to access important values if needed for this question.The boiling point of the solution isSubmit Answerm.°C.5.12Retry Entire Group 9 more group attempts remainingPreviousNextSave and Exit

Given,(i) molar mass of barium chloride = 208.2 g/molchange in freezing point = 0.450 oCmass of…

The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of barium chloride (208.2 g/mol), must be dissolved in 256.0 grams of water to reduce the freezing point by 0.450 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Water Ethanol [Review Topics] [References] Use the References to access important values if needed for this question. Mass= H₂O 0.512 CH3 CH₂ OH 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH2 OCH2 CH3 2.02 g Kb(°C/m) Kf(°C/m) 1.86 1.99 5.12

The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of barium chloride (208.2 g/mol), must be dissolved in 256.0 grams of water to reduce the freezing point by 0.450 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Water Ethanol [Review Topics] [References] Use the References to access important values if needed for this question. Mass= H₂O 0.512 CH3 CH₂ OH 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH2 OCH2 CH3 2.02 g Kb(°C/m) Kf(°C/m) 1.86 1.99 5.12

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

The boiling point of water is 100.0°C at 1 atmosphere. How many grams of sodium chloride (58.44 g/mol), must be dissolved in 204.0 grams of water to raise the boiling point by 0.400°C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 x Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 x _______g sodium chloride.
What is the percent-by-mass concentration of NaCl in a solution that is prepared by adding 13.0 g of NaCl to 90.0 g of water?
If a 24 g sample of a nonelectrolyte is dissolved in 156 g of water, the resulting solution will freeze at –1.13°C. What is the molar mass of the nonelectrolyte?
The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of potassium nitrate (101.1 g/mol), must be dissolved in 201.0 grams of water to reduce the freezing point by 0.400 °C? Refer to the table for the necessary boiling or freezing point constant.
calculate the molarity of a solution made by adding 5.53 g of CaCl2 to enough water to create a solution with a total volume of 2.50 L. Enter only a numerical value in the correct number of significant figures. Use the Periodic Table that is part of your exam to calculate molar mass.
A solution is made using 95.0 g of potassium nitrate in 300. mL of water at 70.0 ℃. If the solution is quickly cooled to to 20.0 ℃, how many grams of potassium nitrate precipitate out?
What is a colligative property? O A property that depends on the number of particles in solution, but not on the nature of the particles. O A property that relates the temperature of a gas to the pressure of the gas. O A property that depends on the specific chemical behavior of the constituent elements and not on the amount in solution. O A property that can only be measured when the moles of gas are constant. O A property that enhances the solubility of a molecule in water.
answer the attached question
Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. Part A You may want to reference (Pages 544 - 548) Section 13.3 while completing this problem. How much potassium nitrate has to dissolve in water to absorb 101 kJ of heat? Express your answer using two significant figures. 0.32 kg
34.1 % (NH4 )2SO4 (molar mass = 132.1 g mol−1) has a density of 1.15 g mL−1. What is the molarity of this solution? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3) Determine the boiling point of a solution that contains 78.5 g of compound W (molar mass = 132.5 g mol–1) dissolved in 1088.6 g benzene (C6H6; molar mass = 84.156 g mol–1; Kb = 2.53 °C m–1; boiling point of pure benzene = 80.1 °C). (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3)
What is the percent by mass of 86.3 g of sodium chloride dissolved in 918.6 g of water ?
17.1 g of a nonelectrolyte was dissolved in 33 g of a solvent. The pure freezing point of the solvent was 2.5 C and the Kf value was 3.21 C/m. The freezing point after the nonelectrolyte was dissolved was -4.55 C. What is the molar mass of the nonelectrolyte? Round your answer to the ones position.