The Quantitative Analysis of an Organic Compound showed that it contains only C,H and O. In combination analysis, 0.2034g of the compound gave 0.591g of CO2 and 0.1036g of H2O. The molecular weight of the compound was determined by the freezing point depression and was found to be 210. From the above experimental results, determine the molecular formula of the compound.

Q: A solution containing 0.7880g of polymer of unknown structure in 170.0 mL of an organic solvent was…

A: Given that, for a polymer solution, The mass of the polymer in the solution is m2 = 0.7880 g, The…

Q: The normal freezing point of a certain liquid X is -9.60 °C, but when 22.3 g of alanine (C3H,NO₂)…

A:

Q: When 1.63 g of a certain molecular compound X are dissolved in 30.0 g of benzonitrile (CH-CN), the…

A: Given,mass of molecular compound X = 1.63 gmass of benzonitrile ( C6H5CN ) = 30.0 gfreezing point of…

Q: When 498. mg of a certain molecular compound X are dissolved in 60.0 g of benzene (C,H), the…

A: The properties which depend on the concentration of solute particles rather than the nature are…

Q: A solid mixture made up of 75% of solid A and 25% of solid B by mass is to be dissolved in 250.0 ±…

A: Given: % of Solid A = 75% % of Solid B = 25 % Volume of water = 250.0 ± 0.5 mL Molality of solution…

Q: A 4.720 g sample of a compound of carbon, hydrogen and silver was burned in an atmosphere of oxygen.…

A: Given : The compound contains only carbon, C, hydrogen, H and silver Ag. Mass of CO2 produced on…

Q: Calculate the mass of compound (molar mass = 256 g mol-1) to be dissolved in 75 g of benzene to…

A: According to colligative properties, the depression in freezing point is given as - ΔTf = Kf * m…

Q: A substance suggested as a possible solvent for use in molecular mass determinations by freezing…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: TRUE OR FALSE: The property of the solution remains constant even if its composition varies.

A: Given statement is :  The property of the solution remains constant even if its composition varies…

Q: A fully miscible solution is formed between two liquids A and B, so that the mole fraction of A is…

A: For liquid phase:partial pressure of component = mole fraction of that component X vapor pressure of…

Q: The temperature of pure water at equilibrium vapor pressure of 36.2 torr is 45°C. When 30.4 g of a…

A: Given vapour pressure of pure water and mixture.

Q: The elemental analysis of an organic solid extracted from gum arabic (a gummy substance used in…

A: Tf = 1.28oCKf = 8.00oC/mmass of solvent = 32.9 gmass of solid = 0.633 g% by mass of C = 40.0%% by…

Q: When 274. mg of a certain molecular compound X are dissolved in 100g of formamidethe freezing point…

A:

Q: The freezing pt. of a solution containing 65g of a compound in 100g benzene is 3.8 degree celcius.…

A: The depression in freezing point is directly proportional to the molality of the solution. ∆Tf…

Q: When 13.66g of Lactic Acid (C3H6O3) are mixed with 115g of stearic acid (C18H36O2), the mixture…

A: To calculate freezing point depression constant , we would use formula of freezing point depression…

Q: When 4.33 of a certain molecular compound X are dissolved in 30. g of benzene (c,H,), the freezing…

A: Given: The mass of compound X dissolved in 30 g of benzene = 4.33 g The Kf for benzene = 5.07…

Q: Assuming benzene and toluene form ideal solution, what is the mole fraction of toluene in a solution…

A: The problem is approached by applying Raoult's law, which is a fundamental principle governing the…

Q: When 8.45 g of a certain molecular compound X are dissolved in 35. g of formamide (NH₂COH), the…

A:

Q: When 2.5 g of a substance was dissolved in 125 g of water, the freezing point was lowered by 0.310.…

A:

Q: A solution contains of 50.0g (0.532 mol) of heptane, C7H14(l) and 50.0g (0.468 mol) of octane,…

A: Given: Mass of heptane = 50.0 g Moles of heptane = 0.532 mol Mass of Octane = 50.0 g Moles of Octane…

Q: If 0.219 g of a solute is dissolved into 7.832 g of t-butanol (normal freezing point is 25C), and…

A: If 0.219 g of a solute is dissolved into 7.832 g of t-butanol (normal freezing point is 25C), and…

Q: When 4.10 g of a certain molecular compound X are dissolved in 80.0 g of dibenzyl ether…

A:

Q: 3. A solution of butanoic acid and water (81.6 % water by mass) is heated to 99.4 °C.. The vapor…

A:

Q: ((C%H5CH,),0), the freezing point of the solution is measured to be If you need any additional…

A:

Q: A general chemistry student isolated ciguatera toxin (a poisonous polyether produced by the…

A: Given,mass of ciguatera toxin = 192.9 mgmass of cyclohexane ( C6H12 ) = 3.397 gFreezing point of…

Q: 9. The molality of a solution of 145 mg of solute in 12.5 g benzene (solvent) was determined to be…

A:

Q: A certain liquid X has a normal freezing point of 3.70 °C and a freezing point depression constant…

A:

Q: 9) Adding 1g of benzene, C,H6, to 70g cyclohexane, C,H12, lowers the freezing point of the…

A: Given:   Mass of benzene = 1 gm  Mass of cyclohexane = 70 gm  Depression in freezing point (∆Tf) =…

Q: 3.92 g of a non-electrolyte compound are dissolved in 400. g of liquid benzene. The freezing point…

A:

Q: An unknown compound contains boron, nitrogen, and hydrogen. The analysis showed that it contained…

A:

Q: The addition of 0.125 g of an unknown, non-ionic compound to 100 g of cyclohexane lowered the…

A: The lowering in freezing point is given by ( for non ionic compounds)  lowering in freezing point =…

Q: When 627. mg of a certain molecular compound X are dissolved in 75. g of cyclohexane (C H 12 the…

A: The freezing point depression of solution is as follows,                                  ∆Tf = Kf .…

Q: A chemist is given a nonelectrolyte white powder for analysis. 38.7 g of this substance is dissolved…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: The addition of 0.125 g of an unknown, non-ionic compound to 100 g of cyclohexane lowered the…

A: Since lowering in freezing point is given by  lowering in freezing point = Kf X m…

Q: Sodium hydroxide is a common ingredient in drain cleaners such as Drano. The mole fraction of sodium…

A:

Q: The vapor in equilibrium above a hexane-pentane solution at 25°C has a mole fraction of hexane equal…

A: As per Dalton's law, the mole fraction of the component in the vapor phase is given by the…

Q: The vapor pressure of pure benzene at 26.2 °C is 483.2 mmH. When a sample of acetylsalicylic acid is…

A:

Q: Calculate the amount of KC1 which must be added to 1 kg of water so that the freezing point is…

A: Kf of water is molal freezing depression constant.  To calculate what amount of KCl is added in…

Q: A 12.7 g substance was dissolved in 2.00 g of solvent. The molar mass of the unknown substance is…

A:

Q: 4. To make a solution, 40 g of a nonelectrolyte is dissolved into 300 g of water. The freezing point…

A: Since you have posted multiple question, we will solve only first question for you. To get remaining…

Q: the vapor pressure of this solution

A:

Q: (a) Explain why a solution of chloroform and acetone shows negative deviation from Raoult’s law.(b)…

A:

Q: Compound I has a solubility of 20000mg/L and a log Kow of 0.38.  Using these values predict the main…

A:

Q: When 1.19 g of a certain molecular compound X are dissolved in 45.0 g of benzene (C6H6), the…

A: According to Raoult's law, the depression in freezing point of a solution,Here, kf = the freezing…

Q: A 1.065 sample of an unknown substance is dissolved in 30g of benzene (Kf = 5.12 and Tf = 5.5ºC);…

A:

Q: The freezing-point depression constant of chloroform is 4.70 kg-K/mole. When 10.52 g of a…

A:

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.