Question

Test Tube M y 315 dilu LaiculdLIUIS PARTS B AND C Measuring the Freezing Points of Water and Aqueous Solutions 142 Laboratory Data for Determining Pring Pet T hree Decent Solutions Mass of Delonised Water salute Mass of Solute Freezing Point None 4.28 -1.84331 Naci 4, 4337 0.2380 -2.23293 Unknown A -0.2393 2.62978 Unknown B 4.04866 0.7395 -2.14573 1 Use the following steps to determine the molar mass of the solutes in Test Tubes 2, 3, and 4. Record the results of your calculations in Table 14.3. Include sample calculations for Test Tube 2 and Test Tube 3. a Calculate the freezing point depression for each solution relative to pure water using Equation 2. Record your results in Table 14.5 in addition to Table 14.3. Sample Calculation for Test Tube 2: ATF -TI-TO=0-4-2-232930°C ATF/2.23293°C) 14 Naci Natt(1 7=2 Tiltopt solution) = -2,23293°C To tipt water) = 0°C Sample Calculation for Test Tube 3: ATE = 0-1-2,62978)°C ATF = 12.62978°C test tube 4. 0-(-2.14573) - 2.14573 b Solve Equation 1 for molality. Show your work in the space provided t.m= Are ik CHAPTER 14 > Properties of Solutions

did i solve 1 a corectly or do my numbers need to be switched?

Answer 1

Done Correctly .

or you can reverse equation if you dont wanna use mode

$\Delta$Tf =T$\cdot$f -Tf

T$\cdot$f = Freezing point of pure solvent

Tf = Freezing point when solute is added