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looking for mololity of unknown, moles of unonown, molar mass unknow the other pictures are information in celcius TRIAL 1 Assume a van't Hoff factor,

looking for mololity of unknown, moles of unonown, molar mass unknow
the other pictures are information
image text in transcribed
image text in transcribed
image text in transcribed
in celcius
TRIAL 1 Assume a van't Hoff factor, i, of 1 Trial 1 Freezing point depression, (C) Kf of water, (C/m) Rounded Unrounded 1.3650401.1750400 1.3650 Molality of unknown, (molkg1) Mass of water, (g) Moles of unknown, (mol) Mass of unknown, (g) Molar mass of unknown, (gmol1) 4 12 A 4 TRIAL 2 \# Trial 1 Trial 2 Trial 3 1 2 1.1095+1.56561.5470 3 4 5 6 7 1.5802 1.8449 8 9 10 Average Tf of water + unknown water + unknown (Unrounded value) Average Tf of water + unknown 8 0.2000 9 0.2000 10 0.1000 Average Tf of water (Unrounded value) 0.190000 Average Tf of water (Rounded value) 0.1900 PART B - UNKNOWN (30/248 Points; 12\%) UNKNOWN ID Unknown 1D: MASS DATA Trial 1 Trial 2 Mass of dry vial 21.295321.2953 Mass of vial + water 35.2681 Mass of vial + water + unknown 37.747637.6486

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