A concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at 25°C. What is the molarity of H3PO4? What is the mole fraction of urea, CO(NH2)2, in a solution prepared by dissolving 5.6 g of urea in 30.1 g of methanol, CH3OH? How will an understanding of this concept help you in a healthcare career?

Q: What is the osmotic pressure of 12.6 percent by mass aqueous solution of K2SO4 with a…

A: We use the colligative properties in this question

Q: What is the mole fraction of urea, CO(NH2)2, (MM=60.06 g/mol) in a solution prepared by dissolving…

A:

Q: What is the mole fraction of ethanol in a solution made by dissolving 25.0 g of ethanol, C2H5OH, in…

A:

Q: 1. Calculate the osmotic pressure of a 0.223 M aqueous solution of sucrose ,C12H22O11, at 37 ∘C.

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

Q: Does 0.20 m aqueous solution of CH3-OH have the same boiling point as a 0.20 m aqueous solution of…

A: We have to compare the boiling point of CH3OH and NaCl

Q: A 100.0-g sample of a brand of rubbing alcohol contains 66.2 g of isopropyl alcohol, C3H7OH, and…

A: Given: Mass of isopropyl alcohol= 66.2g Mass of water=33.8g

Q: 9) Adding 1g of benzene, C,H6, to 70g cyclohexane, C6H12, lowers the freezing point of the…

A:

Q: A concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at…

A: Given: The percent by mass of H3PO4 is 85.5%. The density is 1.69 g/mL The weight of urea is 5.6 g…

Q: In a 70.0-g aqueous solution of methanol, CH4O, the mole fraction of methanol is 0.110. What is the…

A:

Q: You have a solution prepared by dissolving 6.8 g of urea, CO(NH2)2 , in 33.5 g of methanol, CH3OH.…

A: A solution prepared by dissolving 6.8 g of urea, CO(NH2)2 , in 33.5 g of methanol, CH3OH. First…

Q: What is the mole fraction of methanol, CH3OH, in an aqueous solution that is 40.0% methanol by mass?…

A:

Q: In a 54.0-g aqueous solution of methanol, CH4O, the mole fraction of methanol is 0.220. What is the…

A: mole fraction : It is the ratio of moles of a particular component to that of the total moles of…

Q: Find the mass of urea (CH4N2O) needed to prepare 50.0 g of a solution in water in which the mole…

A: In order to find the mass of urea required to make the solution we first write down the given data:…

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

A:

Q: Adding 1g of benzene, C6H6, to 70g cyclohexane, C6H12, lowers the freezing point of the cyclohexane…

A: In a solution, the constituent that is added in smaller quantity is solute, and that is present in…

Q: Which of the following solutions has the largest molality of HCl? Mw (HCI) = 36.5 g . mol- 4.5 m HCl…

A: The largest molality of HCl from the given options can be solved as: (1) 4.5 m HCl is 4.5 molal HCl…

Q: What is the mol fraction of ethanol, C 2H 5OH, in a solution of 75.3g of ethanol and 525g of water?…

A: Number of moles is calculated by dividing the given mass with molecular mass.

Q: What is the molarity of a 20.0% (v/v) aqueous ethanol solution? The density of ethanol (C 2H 6O,…

A: Given, molarity of a 20.0% (v/v) aqueous ethanol solution.The density of ethanol (C 2H 6O, molar…

Q: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is…

A:

Q: What is the mole fraction of water in a solution composed of 3.25 g methanol (CH3OH) and 250 g of…

A:

Q: 3. What is the mole fraction of methanol, CH3OH, (molar mass = aqueous solution that is 40.0%…

A:

Q: What is the osmotic pressure, in atm, of a 0.137 M solution of MgCl2 at 37.0 °C in atm? (assume…

A:

Q: What is the mole fraction of urea, CO(NH2)2, in a solution prepared by dissolving 5.6 g of urea in…

A: Solution is made up of two components which are solute and solvent. Solute is present in the minor…

Q: 30. Which of the following organic compounds is the least soluble in water? A. H,CH,COCH,CH, B.…

A:

Q: 2. Calculate the molality of each of the following solutions: (a) 0.710 kg of sodium carbonate…

A: The molality of the solution can be determined by using the formula given below as;…

Q: 9) Adding Ig of benzene, CaHs, to 70g cyclohexane, CaH12, lowers the freezing point of the…

A: Given, mass of benezene added = 1g mass of cyclohexane = 70 g Change in temperature =

Q: A concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at…

A: Molarity = Number of mols of solute/Volume of solution (L) Number of mols = Mass/molar mass  Mass =…

Q: What is the mass percent of an aqueous sodium hydroxide solution in which the mole fraction of NaOH…

A:

Q: An aqueous solution contains 60 µM salicylaldehyde (C,H6O2) and 330 ppm dichloroacetic acid…

A: From the given concentration of components and total volume of solution we can determine the mass of…

Q: Benzaldehyde (= 106.1 g/mol), also known as oil of almonds, is used in the manufacture of dyes and…

A: We know that dt f=kf*m dt f= depression in freezing point = freezing point of pure ethanol-freezing…

Q: What is the mole fraction of ethanol in a solution made by dissolving 14.6 g of ethanol, C2H5OH, in…

A: Given : Mass of ethanol i.e C2H5OH = 14.6 g And mass of water i.e H2O = 53.6 g. Molar mass of H2O =…

Q: 1) What is the mole fraction of urea, CO(NH2)2, is a solution prepared by dissolving 5.6 g of urea…

A: Solutions generally prepared in specified concentrations by their known masses of comprising…

Q: 5. What are the mole fractions of ethanol, C2H5OH, and water in a solution prepared by mixing 75.0 g…

A: Note - Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: 1) 80mL of NaOH is dissolved in 100mL C2H5OH. How much are the mass percentage, volume percentage,…

A: Solution                       Given that 80ml of NaOH is dissolved in 100ml of C2H5OH Find the…

Q: 2. A student was required to make a solution of camphor and naphthalene that had a freezing point of…

A: Freezing point is a colligative property, meaning it depends upon the amount of solute or ion…

Q: 9) Adding 1g of benzene, C6H6, to 70g cyclohexane, C6H12, lowers the freezing point of the…

A:

Q: Which of the following solutions will have the lowest freezing point for the same mass of solvent?…

A: Above question is of colligative properties which is base on the relative number of solute…

Q: What is the freezing point of a solution of dibromobenzene, C6H4Br2, in 0.250 kg of benzene, if the…

A: Given data, boiling point of solution = 83.5 oC Formula used in this question, Depression in…

Q: Calculate the molality of each of the following solutions:(a) 0.710 kg of sodium carbonate (washing…

A: Molality (m)= number of moles of solute/ Mass of solvent in kg Number of moles = Weight/Molecular…

Q: concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at 25°C.…

A:

Q: A concentrated phosphoric acid solution is 85.5% H3PO4 by mass and has a density of 1.69 g/mL at…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: In a 50.0-g aqueous solution of methanol, CH,O, the mole fraction of methanol is 0.190. What is the…

A: Let the mass of methanol be x g Mass of water = 50 - x Molar Mass of CH4O = 32 g/mol Molar Mass of…

Q: Which of the following solutions has the largest molality of HCI? Mw (HCI) = 36.5 g . mol-' 4.5 т…

A: Molality is the number of moles of Solute in one kg of the Solvent. It is represented by m. It can…

Q: The freezing point of ethanol (C2H§OH) is -114.6 °C. The molal freezing point depression constant…

A: Freezing-point depression is a drop in the temperature at which a substance freezes, caused when a…

Q: What is the mole fraction of ethanol in a solution made by dissolving 51.2 g of ethanol, C2H5OH, in…

A: We have to calculate the ethanol.

Q: What is the molarity (M) of 0.012 mole fraction NaNO3(aq)? Density of solution = 1.05 g/cc, molar…

A:

Q: 3) What are the mole fraction and molality of a solution that contains 2.55 g of ammonia, NH;,…

A:

Q: Urea, (NH₂)2CO is used as a fertilizer. What is the molar concentration & percent concentration by…

A:

Q: You have a solution which is 49.0% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The…

A: Calculate the moles of isopropyl alcohol and water,

Q: A 100.0-g sample of a brand of rubbing alcohol contains 66.5 g of isopropyl alcohol, C3H7OH, and…

A: