WARDS GRADE Close Problem Calculate the boiling point of a solution. What is the boiling point of a solution containing 70.70 g of the nonvolatile nonelectrolyte alizarin (C14H8O4) and 157.4 g of ethanol (C2H5OH)? The normal boiling point of ethanol is 78.5 °C and Kbp for ethanol is 1.22 °C/m. Check & Submit °C

What mass of salt (NaCl) should you add to 1.12 L of water in an ice-cream maker to make a solution that freezes at -13.6 °C? Assume complete dissociation of the NaCl and a density of 1.00 g/mL for water and use Kf = 1.86 °C/m. Express your answer in grams to three significant figures. • View Available Hint(s) V ΑΣΦ ? %3D Submit

The osmotic pressure of a solution formed by dissolving 30 mg of aspirin (C9H8O4 ) in 0.16 L of water at 25 °C is __________ atm. Input answer to 4 decimal places.

utions - Homework - 2022.pdf - Adobe Acrobat Pro DC (32-bit) E-Sign Window Help ols Chapter 14 - Soluti. x 2 / 3 135% 8) Determine the freezing point of a solution that contains 63.8 g of naphthalene (C10H8, molar mass = 128.16 g/mol) dissolved in 275. mL of benzene (d = 0.877 g/mL). Pure benzene has a melting point of 5.50°C and a freezing point depression constant of 4.90°C/m. d fliv ebruogrnos sniwollot srb lo rdairlW (1 (EelD) onimaly tomit (I acorous (CH3COCH?) stuloe slitslovn qps adnoone B) O 300 CISO Inioq anilam omce ori overl ls verdT (3 D)0 100 a VICI oqmot eirs s ) vilidulce ort oninnsis (E 0.26 gnivlozaib yd bonisido pexsue Ce ylienob e 26rd noituloe adt it DH arlo inalom srb noituloe 1 MS.0lo (J) omulov torW

Dial 9 F6 O F7 What is the freezing point, in °C, of a 0.325 m aqueous solution of Na2SO3? FP(water) = 0 °C Kr(water) = 1.86 °C/m [?] °C Freezing Point Copyright © 2003-2023 International Academy of Science. All Rights Reserved. F8 Find your Easter DELL F9 prtsc F10 H home F11 Enter = Feedback end F12 Insert delete Backspace

5.00 ml of the 1.0 x 10-4 M CV stock solution is first diluted to 100.ml. Then 1.00 ml pf this solution is diluted again to 50.0 ml. What is the final concentration?

b Success Confirmation of Qu X < + с app.101edu.co Aktiv Chemistry X D2L Bar Graph Report - Spring x G The let-down reflex allows XCA. Fill words to blanks: Lon X Time's Up! The enthalpy of solution (AH) of KOH is -57.6 kJ/mol. If 1.56 g KOH is dissolved in enough water to make a 150.0 mL solution, what is the change in temperature (°C) of the solution? (The specific heat capacity of the solution is 4.184 J/g °C and the density of the solution is 1.02 g/mL). 1 4 7 +/- Untitled document - Google + 2 5 8 | °℃ 3 6 9 0 Update: Submit X C x 100

sq An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.293 °C. The solution contains 1.94 g solute dissolved in 78.9 g H₂O. What is the molar mass of the solute? Submit Submit Answer g/mol Show Approach Show Tutor Steps Retry Entire Group 9 more group attempts remaining Cengage Learning Cengage Technical Support Previous Next> Save and Exit

Question . Determination of percent water (%H₂O) in hydrated FeSO4nH₂O is demonstrated in General Chemistry Laboratory (I), Chem. 105. The following table contains the results collected from the students groups. 1 23 2 4 5 6 3.38 3.47 3.35 3.40 3.44 3.41 1.4 1.35 1.35 1.44 1.49 1.39 Q1) Assume MM of FeSO4 is 152 g/mol. What is the average number of water molecules in the samples? Q2) What is the average % water (wt/wt) for all samples? n= Moles H₂O Mole FeSO, Average n Q3) What is the average number of moles of water for all samples? Q4) What is the correct formula of the salt? % water in hydrated salt (ww/wt)

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