Complete the table below, including determination of the molar mass for napthalene (C10 percent error in the measurement

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Complete The Table Below Including Determination Of The Molar Mass For Napthalene C10 Percent Error In The Measurement 1 (64.58 KiB) Viewed 51 times

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Complete the table below, including determination of the molar mass for napthalene (C10 percent error in the measurement. Watch sig. fig.s and rounding! (10 points) Value for the Freezing Point Depression Constant (K,) for Solvent Mass of Test Tube and Solvent Mass of Empty Test Tube Mass of Solvent Freezing Point of Pure Solvent in Run #1 Mass of Napthalene used in Run #2 Freezing Point of Solution in Run #2 Experimental Molar Mass of Napthalene (C₁0H8) Theoretical Molar Mass of Napthalene (C₁0Hg) Percent Error in Experimental Molar Mass of Napthalene (C₁0Hg) 8.37 °C/m 24.625 g 7.2335 g 16.89 -7.305 °C 1.015 g -10.902 °C 16.6. 128.21 y 1660% .
and freezing point of the pure solvent, and for the first trial with a solute, with little error. He then prepared A student followed our lab procedure for this experiment. He started the experiment by measuring the mass lunch, he noted that some of the solvent had vaporized. He went ahead and performed the experiment the second trial, but instead of quickly fininshing the experiment, he went to lunch. After returning from solute would be greater than, less than, or unchanged compared to the same values from the first trial. (10 anyway. Determine whether the measured molality of the solution (m) and the calculated molar mass of the points) (Circle your response) Molality, m: Molar mass of solute: > trial #1 > trial #1 <trial #1 <trial #1 unchanged versus trial #1 unchanged versus trial #1,
1. Barium nitride, Ba3N2 is commonly used to de-ice planes. If one mole of Ba3N2 is dissolved in 2.3 kg of water, would the freezing point of the solution be greater than, less than, or the same as a solution prepared by dissolving two moles of table sugar (sucrose, C₁2H₂2O11) in 1.9 kg of water? Explain your answer (5 points) Dit Dep