Use the References to access important values if needed for thisquestion.The normal boiling point of ether (C2H5OC2H5) is 34.5°C. If 46.58 grams of the nonvolatile nonelectrolytealizarin (C14H804), are dissolved in 233.9 grams of ether,what is the boiling point of the resulting solution? Kpp forether is 2.02 °C/m.°CSubmit Answer2 question attempts remaining

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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...

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Submit Answer If 22.2 grams of an aqueous solution of calcium acetate, Ca(CH3COO)2, contains 4.73 grams of calcium acetate, what is the percentage by mass of calcium acetate in the solution? % Ca(CH3COO)2 282 F4 % 5 T G F5 B Retry Entire Group Cengage Learning Cengage Technical Support Y H [Review Topics) [References] Use the References to access important values if needed for this question. S & 6 i 7 MacBook Air F6 N 9 more group attempts remaining U F7 J 8 M I DII K ( 9 DD F9 O L ) O A F10 P : ; command option 4 F11 { [ ? 1 Previous + 1 Save and Exit 4) Next> F12 } ] S Relaunch to update delete + return shift Ⓒ
A solution is prepared by mixing 0.3659 moles of NaNO3 with 240.4 g of water. Its density is 1.113 g mL-1. If Kf = 1.87 °C m1 and the solute is completely ionized, what is the expected freezing point of the solution? Do not report units in your answer. Report your answer with two places past the decimal point. Incorrect sign won't receive credits. Type your answer...
question 1: A solution is prepared from 54.26 g of iron(III) chloride and 186 g of water. Calculate the mass fraction of iron(III) chloride in the solution. Present your numerical answer to 3 significant figures Answer: question 2: Molality of iron(II) chloride in a solution is 2.359 mol·kg-1.What is the mole fraction of FeCl2 in the solution? M(FeCl2) =126.75 g·mol-1, M(H2O) =18.02 g·mol-1Present your numerical answer to 3 significant figures Answer:
Use the References to access important values if needed for this question. What is the solubility of methylacetylene (in units of grams per liter) in water at 25 °C, when the C3H4 gas over the solution has a partial pressure of 0.524 atm? kH for C3H4 at 25 °C is 9.23×10² mol/L-atm.
References Use the References to access important values if needed for this question. The normal boiling point of diethyl ether (CH3CH,OCH,CH3) is 34.50 °C and its Kpp value is 2.02 °C/m. A nonvolatile, nonelectrolyte that dissolves in diethyl ether is testosterone. If 11.37 grams of testosterone, C19H2802 (288.4 g/mol), are dissolved in 286.0 grams of diethyl ether: The molality of the solution is m. The boiling point of the solution is -c. Submit Answer 4. BP/FP Calculations: Solutions of Nonelectrolytes: This is group attempt 1 of 5 Regenerate Group Rack
Name Time M T W R F The freezing point of pure benzene (CH,) is 5.50°C. The freezing point of a solution containing 5.00 g of an unknown non-dissociating solute in 444 g of benzene is 5.07°C. K, of benzene = 4.90°C/m. Show complete calculations for each question below. 1. What is the freezing point depression for this solution?
What is the freezing point, in °C, of a solution made with 1.07 mol of CHCl₃ in 530.0 g of CCl₄ (Kf = 29.8 °C/m, normal freezing point, Tf = -22.9 °C)?
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a) b) as per guidelines you can answer these two question because they are bits of the same question
What is the freezing point, in °C, of a solution made with 1.19 mol of CHCl₃ in 530.0 g of CCl₄ (Kf = 29.8 °C/m, normal freezing point, Tf = -22.9 °C)?
When 2.985 g of urea was dissolved in 102.1 g of benzene, the freezing point was 276.2 K. What is the formula mass of this compound? The freezing point depression constant for benzene is 5.12 (°C*kg)/mol. The melting point and boiling points are 5.50°C and 80.10°C, respectively.

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