Vitamin K is involved in normal blood clotting. When 1.76 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 5.89 °C. Look up the freezing point and Kf constant for camphor in the Colligative Constants table. Calculate the molar mass of vitamin K. molar mass: g/mol

Q: Using this equation, find the new freezing point for each of the following solutions.  For water, .…

A: a. 3.85 mol NaCl in 4.50 kg of water b. 2.00 g K3PO4 in 1.00 kg of water c. 150.0 g of sugar (molar…

Q: 1.Assume that the measured freezing point of pure cyclohexane using your thermometer was 6.0 °C. A…

A:

Q: The vapor pressure of pure acetone, (CH3)2CO, at 25C is 229 torr. A.) Calculate the vapor pressure…

A: According to the question, Vapour pressure, also known as vapour equilibrium pressure, is the force…

Q: The lattice energy (U) for MgCl2 is -2540 kJ/mol and the enthalpy of hydration for Mg2+ is -1903 kj/…

A: The enthalpy of solution (ΔHsol) can be calculated using the lattice energy and the enthalpy of…

Q: When a 33.8-g sample of an unknown compound is dissolved in 500. g of benzene, the freezing point of…

A: Given: Mass of the unknown compound dissolved = 33.8 g Mass of benzene taken = 500 g The freezing…

Q: Calculate the molality of a solution prepared by dissolving 1.50 g of sodium hydroxide (NaOH) in 112…

A: molality is one of the ways to express the concentration of solution.

Q: What mass of H2O is needed to dissolve 5.39 g Na2CrO4 to produce a solution having a molality of…

A: Given:The mass of Na2CrO4 is 5.39 g.  Molality is 0.389 m. The density of the solution is 1 g/mL.…

Q: A solution of sucrose in water freezes at -0.200°C. Calculate the vapor pressure of this solution at…

A: The Freezing point of depression formula can be given as : ∆Tf=Kf×b×iHere∆Tf is freezing point…

Q: The boiling point of a liquid will change when a solute is added. Explain how the addition of salt…

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Q: 1. At a particular temperature, the solubility of Kr in water is 0.060 M when the partial pressure…

A: The objective of the question is to find the partial pressure of Kr that would give a solubility of…

Q: A solution is made by dissolving 0.606 mol of nonelectrolyte solute in 905 g of benzene. Calculate…

A: To calculate the freezing point depression and boiling point elevation of the solution, we can use…

Q: Calculate the boiling point of a 14.75 m aqueous solution of fructose. Boiling point constants can…

A:

Q: For an aqueous solution of HF, determine the van't Hoff factor assuming 0% ionization. i = For the…

A: For zero percent ionisation of HF, i = 1 as only HF will be left in the solution. Now when complete…

Q: The vapor pressure of water at 45.0°C is 71.93 torr. Calculate the vapor pressure of a solution of…

A: Answer:When a non-volatile solute is added in a solvent then it causes a decrease in its vapor…

Q: 1.86 g of unknown C were dissolved in 8.00 ml of water in a large test tube. The test tube was…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: Vitamin K is involved in normal blood clotting. When 1.50 g of vitamin K is dissolved in 25.0 g of…

A: Given: mass of  vitamin K = 1.50 g mass of camphor = 25.0g = 0.25 / 1000 = 0.025 Kg Depression of…

Q: Menthol is a crystalline substance with a peppermint taste and odor. When 0.383 g of menthol is…

A: The freezing point of cyclohexane solvent.tcyclohexane= 6.50°CDepression in freezing point, ∆t, =…

Q: what is the molar mass of the compound?

A: We know that  ∆Tf = iK × mass of solute(g)/molar mass of solute(G) ×(1/mass of solution in Kg)…

Q: The freezing point of a solution that contains 1.00 g of an unknown compound is dissolved in 10.0 g…

A: Tf = (Freezing point of pure solvent) - (Freezing point of solution)Tf=(5.48 oC) - (2.07 oC) = 3.41…

Q: Menthol is a crystalline substance with a peppermint taste and odor. When 1.52 g of menthol is…

A:

Q: 3. In a dilute aqueous solution of an unknown solute, MC1× (the anion is Cl¯, but the cation is…

A:

Q: The freezing point of lauric acid was lowered by 1.68°C when a 3.706 g sample of a nondissociating…

A: Solution- The freezing point depression (ΔTf) is given by the formula:  ΔTf = Kf × m × i where Kf is…

Q: Calculate the molality of a solution prepared by dissolving 13.7 g of sodium hydroxide (NaOH) in…

A: The molality of a solution is calculated by the formula, m=msMs×mS×1000......(1) Where, ms is the…

Q: Vitamin K is involved in normal blood clotting. When 0.853 g of vitamin K is dissolved in 25.0 g of…

A: Given that:  Mass of vitamin K = 0.853g  Mass of camphor solvent = 25.0g = 25.0g×1Kg/1000g = 0.025Kg…

Q: Vitamin K is involved in normal blood clotting. When 1.08 g of vitamin K is dissolved in 25.0 g of…

A: First calculate the molality of the solution. Using that molality, find out the molar mass of…

Q: We mixed some ethylene glycol with 346 g water to reduce the equilibrium vapor pressure of water…

A: Answer: When a non-volatile solute is added in a solvent it causes a depression in freezing point…

Q: When 89.1 mg of a certain molecular compound X are dissolved in 90. g of benzonitrile (C,H,CN), the…

A: The freezing point of a solvent is the temperature at which, solvent converted to solid-state from…

Q: A solution is made by dissolving 0.706 mol of nonelectrolyte solute in 781 g of benzene. Calculate…

A: Given: The number of moles of the nonelectrolyte solute dissolved in benzene = 0.706 mol The mass of…

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: When 2.43 g of a certain molecular compound X are dissolved in 65. g of formamide (NH₂COH), the…

A: As we know,  Depression in freezing point,    Tf° - Tf = i * Kf * mWhere Tf° & Tf are freezing…

Q: When 1.13 g of a certain molecular compound X are dissolved in 75.0 g of formamide NH2COH , the…

A:

Q: At a particular temperature, the solubility of CO₂ in water is 0.13 M when the partial pressure is…

A: At a particular temperature, the solubility of CO2 in water is 0.13M  Partial pressure is 1.5atm…

Q: A solution is made by dissolving 0.656 mol of nonelectrolyte solute in 789 g of benzene. Calculate…

A: Given,  The moles of nonelectrolyte = 0.656 mol.  The mass of benzene = 789 g.  The boiling point of…

Q: A solution is made by dissolving 0.646 mol of nonelectrolyte solute in 839 g of benzene. Calculate…

A:

Q: At a particular temperature, the solubility of Kr in water is 0.060 M when the partial pressure is…

A:

Q: Use Henry's law to determine the molar solubility of helium at a pressure of 1.4 atm and 25 C.…

A:

Q: Exactly 9.96 g of an unknown substance is dissolved in 2.50 x 102 g water. The freezing point of…

A: You will need to use the equation:      •       ΔTf = i Kf m , where , ΔTf = how much the freezing…

Q: What is the composition of a methanol (CH, OH) - propanol (CH,CH,CH, OH) solution that has a vapor…

A: Let mole fraction of methanol in liquid phase = Xm  By Raoult's law :  P = Pm° Xm + Pp° ( 1-Xm)…

Q: A solution is made by dissolving 0.577 mol of nonelectrolyte solute in 781 g of benzene. Calculate…

A: According to the question, The Moles of non electrolyte solute (benzene) is given by  = 0.577 mol…

Q: A solution is made by dissolving 0.535 mol of nonelectrolyte solute in 819 g of benzene. Calculate…

A: When a solute is dissolved in a solvent , then it increases the interatomic interaction between…

Q: Menthol is a crystalline substance with a peppermint taste and odor. When 0.555 g of menthol is…

A: Given information: Mass of menthol = 0.555 g Mass of solvent = 25.0 g Molal freezing point constant…

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.