11.49 How would you prepare each of the following solutions? (a) 100 mL of a 155 ppm solution of urea, CH4N2O, in water (b) 100 mL of an aqueous solution whose K* concentration is 0.075 M 11.50 How would you prepare 165 mL of a 0.0268 M solution of benzoic acid (C-H,O2) in chloroform (CHCI3)?

Q: What are the boiling point and freezing point of a 4.97 m solution of naphthalene in benzene? (The…

A: Given:- Concentration of naphthalene solution in benzene = 4.97 m Boiling point of benzene (Tbo) =…

Q: What is the boiling point in C° of a solution of a 2.15 m aqueous solution of glycerol? (Kb = 0.512°…

A: Given Glycerol solution, molality ,m =2.15 m Kb=0.512°C/m

Q: (a) When 5.50 g of biphenyl (C12H10) is dissolved in 100.0 g of benzene, the boiling point increases…

A:

Q: What weight (in grams) of caffeine (C8H10O2N4) is required to prepare 100 mL each of the following…

A: A mole of a substance weighs its molar mass and contain avagadro number of particle  Let us suppose…

Q: A solution that contains 4.20 g of X in 200 g of chloroform boils at 62.29°C. What is the molecular…

A:

Q: Which of the following molecular shapes represents that of nitrogen triiodide (NI3)?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Question is attached

A:

Q: What is the weight percent of vitamin C in a solution made by dissolving 2.60 g of vitamin C,…

A: Mass of solute ( vitamin C ) = 2.60 g Mass of solvent ( water ) =  55.0 g   Mass of Solution = Mass…

Q: 5) Creatinine, C4H7N3O, is a by-product of muscle metabolism, and creatinine levels in the body are…

A: The mass of creatinine present in 10.0 ml blood sample is calculated below.

Q: 2. What is the freezing point of a solution prepared by adding 150. g trichothecin (C19H24O5) to…

A: Freezing point of a liquid is defined as the temperature at which it gets converted to solid.…

Q: How would you prepare the following aqueous solutions?(a) 365 mL of 8.55 x 10-2 M KH2PO4 from solid…

A: To find: How to prepare the given solutions.

Q: What are the boiling point and freezing point of a 4.97 m solution of naphthalene in benzene? (The…

A:

Q: Average Molarity of Cl: 1/1oui Calculated ppm of CF: mg/L. (multiply the above average molarity by…

A: Ppm of Cl- can be calculated using the given formula .

Q: Diethyl ether has a freezing point of -116.2 degrees C and a Kf of 1.79 degrees C/m. What is the…

A:

Q: What is the boiling point change for a solution containing 0.934 moles of naphthalene la…

A:

Q: 6H12O6 How many grams of dextrose, C , are in 322 milliliters of an  intravenous D10W solution…

A: Given, the solution is 10% W/V. This means it has 10 g of dextrose C in 100 mL of the solution. The…

Q: 1) When 2.25 grams of an unknown non-electrolyte dissolves in 12.0 grams of water, the solution…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Calculate the mole fraction of each solute and solvent:(a) 0.710 kg of sodium carbonate (washing…

A:

Q: How many grams of glucose (C6H12 O6 ) would you need to prepare 2.0 L of 2% glucose solution (M/V)?

A: Given data contains, Mass/volume percent of glucose is 2%. 2% (m/v) means 2g of glucose in 100mL of…

Q: How many grams of ammonia are dissolved in 1.34 L of water at 25 °C if the pressure of NH3 above the…

A: Amount of ammonia dissolved can be figure out from the concentration of solution.  Note: As you…

Q: mole fraction

A:

Q: 4. What is the boiling point elevation when 143 g of lactic acid (CeH10Os) is dissolved in 647 g of…

A:

Q: How would you prepare the following aqueous solutions?(a) 365 mL of 8.55X10⁻² MKH₂PO₄ from solid…

A: 1)no of moles=mass molar mass 2) molarity=no of molesvolume of solution in liters   3) dilution law,…

Q: Calculate the molar mass of an unknown solute to 3 sig figs, if 250 g are added to 500. ml of water…

A: The molar mass can be calculated by using depression in freezing point .

Q: Caffeine, C3 H10 N4O2 , is a stimulant found in tea and coffee. A sample of the substance was…

A: Molality (m) of a solution is defined as the number of moles of solute per kg of the solvent. Thus,…

Q: 6- From the following: pure water, solution of C12H2»O11 (m=0.01) in water, solution of NaCl…

A: Colligative properties of solutions are the properties that depend upon the concentration or no. of…

Q: 3. Which solution below would you expect to have the highest boiling point? a) 0.5 mol of CaCl, in a…

A: Here we have to calculate elevation boiling point∆Tb=i×molaritya. molarity=no. of moles×1000vol. in…

Q: (10) What is the boiling point of a solution of 12.0 g of urea (CH4N2O) in 165.0 g of water? (Kp…

A:

Q: (2) Which of the following solutions (solute in a solvent) has i (A) Vitamin C in water (C) NaOH in…

A: 2) An ion-dipole force is the intermolecular force of attraction between a charge ion (cation or…

Q: 1. What is the molecular mass of an organic compound if 15.00 g of the compound is dissolved in…

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: The nonvolatile, nonelectrolyte cholesterol , C27H46O (386.6 g/mol), is soluble in chloroform CHCl3.…

A: Osmotic pressure is the pressure that is required to stop the solvent's flow by semipermeable…

Q: 1. How many grams of glucose (C6H12 06) would you need to prepare 2.0 L of 2% glucose solution…

A: Given data: Volume of glucose solution = 2 L Concentration of glucose solution = 2% (M/V)

Q: What is the boiling point (in *C) of a solution of 8.75 g of 1z in 66.6 g of toluene, assuming the…

A:

Q: What is the osmotic pressure formed by dissolving 44.2 mgof aspirin (C9H8O4) in 0.358 L of water at…

A: The osmotic pressure of solutions is given by  Osmotic pressure = CRT  where C = concentration of…

Q: (1) Which ote tollowing has the lowest standard (A) N₂Oam (B) NO (2) Which of the following…

A: Multiple question. So I am solve only one question so I solve question number 5. Given- which of the…

Q: A 0.55 L aqueous solution containing 0.6 g bovine insulin has an osmotic pressure of 6.7 mmHg at 37…

A: Since the osmotic pressure of any solution is given by  Osmotic pressure = CRT  where C =…

Q: 11.48 How would you prepare each of the following solutions? (a) A 0.150 M solution of glucose in…

A:

Q: The density of a 3.539 M HN03 aqueous solution is 1.150 g-mL-1 at 20 °C. What is the molal…

A: Using the given Molarity we can find molality of solution. Given molarity= 3.539M

Q: What is the molar mass of a nonelectrolyte if 6.02g dissolved in 30.0g of benzene freezes at -1.55C?…

A: Mass of solute = 6.02 g Mass of solvent = 30.0 g freezing point of solution (Tf) = -1.55 °C freezing…

Q: How many grams of nickel (II) chloride salt is weighed and diluted to 25 mL with distilled water to…

A: Please find the attached images for answer

Q: 2. What is the osmotic pressure (in atm) of a 0.884 M urea solution at 16°C?

A: Given: The concentration of urea=0.884 M Temperature(T)=160C=(16+273)K=289K

Q: What mass in mg hydrogen gas,(2.016 g/mol) is dissolved in 3.82×102 mL of water of water when the…

A: Given : Henry's constant = 7.8×10-4 M/atm. Volume =  3.82×102 mL  Mass of hydrogen gas = ?

Q: 2. What is the boiling point of a solution prepared by adding 29.3 g of menthol (C₁H₂O) to 0.0590 kg…

A:

Q: What are the boiling point and freezing point of a 3.47 m solution of naphthalene in benzene? (The…

A: Given:  Kb = 2.53 °C/m m = 3.47 m Solution: ∆Tb = Kb × m = 2.53 °C/m × 3.47 m       = 8.78 °C…

Q: (Q67) What is the freezing point of a solution made from 644.6 grams of benzene to which 45.7 grams…

A:

Q: Two aqueous solutions are prepared: 1.00 m Na2CO3 and 1.00 m LICI. Which of the following statements…

A:

Q: 14. What is the osmotic pressure of a 0.333 M solution of C6H1206 at 25°C?

A: GivenMolarity of the given glucose solution = 0.333MTemperature = 25°C                     =…

Q: What is the freezing point (°C) of a solution prepared by dissolving 50.0 g of glycerin in 200.0 g…

A:

Q: Urea, (NH 2 ) 2 CO, has been used to melt ice from sidewalks since the use of salt is harmful to…

A: Depression in freezing point - Depression in freezing point is a colligative property which results…