When 21 1 G Of An Organic Compound Known To Be 57 15 C 4 8 H And 38 06 O By Mass Is Dissolved In 6295 G Of Water Th 1 (26.93 KiB) Viewed 16 times
When 21 1 G Of An Organic Compound Known To Be 57 15 C 4 8 H And 38 06 O By Mass Is Dissolved In 6295 G Of Water Th 2 (26.93 KiB) Viewed 16 times
When 21 1 G Of An Organic Compound Known To Be 57 15 C 4 8 H And 38 06 O By Mass Is Dissolved In 6295 G Of Water Th 3 (34.01 KiB) Viewed 16 times
When 21.1 g of an organic compound known to be 57.15% C. 4.8% H, and 38.06%O by mass is dissolved in 6295 g of water, the freezing point is -0.494 "C. The normal freezing point of water is 0'C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. Ky values for various solvents are given in the colligative constants table, molecular formula: CHO
Colligative Constants Constants for freezing point depression and boiling point elevation calculations at 1 atm. С6Н6 Kvalue* Normal freezing Kb value Normal boiling Solvent Formula (°C/m) point (°C) (°C/m) point (°C) water H20 1.86 0.00 0.512 100.00 benzene 5.12 5.49 2.53 80.1 cyclohexane C6H 12 20.8 6.59 2.92 80.7 ethanol C2H60 1.99 -117.3 1.22 78.4 carbon 29.8 --22.9 5.03 76.8 tetrachloride 176 camphor 0 37.8 16 CCI 4 C 10H
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!