ing the Molar Mass of an Unknown by Measuring the Freezing Point Dep.. 10 PM CST

Question

ing the Molar Mass of an Unknown by Measuring the Freezing Point Dep.. 10 PM CST BEGIN SCENARIO A scientist needed to determine the molar mass of an unknown species, and decided to measure the depression of point of a known solvent(water in this case, K-1,853 "Ckgmol using this unknown species Follow the steps below to determine the molar mass of the unknown species the freezing PART A-PURE SOLVENT A1. Determine the Mass of Pure Solvent 51.617 Mass of empty test tube and beaker,( Mass of test tube, beaker, and-25 mL of pure solvent, g) Mass of pure solvent, () 74.849 A) SUBMIT ACTIVITY Dark CORE: 0% SAVED.V O Zoom 288 pa 5 3 Q WE K. option command

Explanation / Answer

51.617 g is mass without solvent
74.849 g is mass with solvent

The difference is mass of solvent
mass of solvent = 74.849 g - 51.617 g
= 23.232 g

Answer: 23.232 g

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