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(13pts) Determination of Molar Mass Complete the following calculations to determine the molar mass of the unknown added to stearic acid. Table 4. Determination of molar mass Mass of test tube, beaker, and stearic acid (g) Mass of test tube and beaker (g) Mass of stearic acid (g) Unknown number Mass of unknown (g) Freezing point of stearic acid (calculated above) (°C) Freezing point of solution (calculated above) (°C) Freezing point depression (°C) Molality of unknown in solution (m) Moles of unknown in solution (mol) Table view List view Result 67.253 58.287 3 0.999Show more…
Added by Rachel M.
Step 1
First, we need to find the mass of stearic acid. We can do this by subtracting the mass of the test tube and beaker from the mass of the test tube, beaker, and stearic acid. Mass of stearic acid = Mass of test tube, beaker, and stearic acid - Mass of test tube Show more…
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