12.105 A compound of manganese, carbon, and oxygen con- tains 28.17% Mn and 30.80% C. When 0.125 g of this com- "the pound is dissolved in 5.38 g of cyclohexane, the solution freezeslipid at...
When 0.49 g of a molecular compound was dissolved in 20.00 g of cyclohexane, the freezing point of the solution was lowered by 3.9 degree C. Determine the molecular mass of this compound. The molar freezing point depression constant of cyclohexane 20.4 degree C/m. (K_f = 20.4 degree C/m)
Complete combustion of 4.251 g of a compound of carbon, hydrogen, and oxygen yielded 6.337 g CO2 and 1.946 g H2O. When 20.30 g of the compound was dissolved in 348 g of water, the freezing point of the solution was found to be -0.919 °C. For water, Kfp = 1.86 °C/m. What is the molecular formula of the compound? Enter the elements in the order C, H, O molecular formula =
Complete combustion of 3.129 g of a compound of carbon, hydrogen, and oxygen yielded 4.665 g CO2 and 1.433 g H2O. When 15.00 g of the compound was dissolved in 297 g of water, the freezing point of the solution was found to be -0.797 °C. For water, Kfp = 1.86 °C/m. What is the molecular formula of the compound?
Complete combustion of 8.293 g of a compound of carbon, hydrogen, and oxygen yielded 21.45 g CO2 and 4.391 g H2O. When 20.50 g of the compound was dissolved in 269 g of water, the freezing point of the solution was found to be -1.04 °C. For water, Kfp = 1.86 °C/m. What is the molecular formula of the compound? Enter the elements in the order C, H, O
The osmotic pressure of a solution containing 2.04 g of an unknown compound dissolved in 175.0 mLof solution at 25 ∘C is 2.13 atm . The combustion of 22.08 g of the unknown compound produced 36.26 g CO2 and 14.85 g H2O. What is the molecular formula of the compound (which contains only carbon, hydrogen, and oxygen)?
2. Combustion of 1.000 g of the compound that has carbon, oxygen and hydrogen yields 1.734 g CO, and 0.803 g H,O. In another experiment, 0.1067 g of the compound was dissolved in 23.6 g of water. This solution had a freezing point of -0.0914°C. What is the molecular formula of the compound?
When 151.mg of a certain molecular compound X are dissolved in 30.g of cyclohexane(C6H12), the freezing point of the solution is measured to be 1.7°C.Calculate the molar mass of X.
Please solve
When 0.125 g of propane, a compound containing carbon and hydrogen only is reacted with excess oxygen, 0.375 g of CO_2 and 0.205 g of H2O are formed. The empirical formula of is: C4H10 C5H12 C2H6 C3H8 CH4
When 24.2 g of an organic compound known to be 62.04% C, 10.41% H, and 27.55% O by mass is dissolved in 900.0 g of cyclohexane, the freezing point is 1.78 °C. The normal freezing point of cyclohexane is 6.59 °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.
When 12.4 g of an organic compound known to be 70.58% C, 5.9% H, and 23.50% O by mass is dissolved in 630.3 g of cyclohexane, the freezing point is 3.58 °C. The normal freezing point of cyclohexane is 6.59 °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. K values for various solvents are given in the colligative constants table. molecular formula: [C,H,O