The vapor pressure of water at 25.0°C is 23.8 torr. Determine the mass of glucose (molar mass = 180 g/mol) needed to add to 500.0 g of water to change the vapor pressure to 23.3 torr.

Q: If 11.2 g of sugar (MM= 342 g/mol) is dissolved in 500 g water at 30 degrees celsius, a. how many…

A: Given information,   11.2 g of sugar (MM= 342 g/mol) is dissolved in 500 g water at 30 degrees…

Q: 7.) Determine the vapor pressure of the solution that contains 10.0 grams of glucose (180.56 g/mol)…

A: According to Raoult's law, the vapor pressure of a solution is the product of the mole fraction of…

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Two volatile substances A and B mixed togetherOverall solution's vapour pressure , Ptotal = 125…

Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25°C. How many grams of DDT,…

A: The given data is as follows: The vapor pressure of pure solvent diethyl ether, p°= 463.57 mm Hg The…

Q: Several emergent properties of water contribute to the suitability of the environment for life. How…

A: The correct statements are : 2) The partial positive region of water molecules are attracted to…

Q: The vapor pressure of ethanol is 54.68 mm Hg at 25°C. How many grams of testosterone, C19H28O2, a…

A: The vapor pressure of the solution is lower than that of the pure liquid. This is known as the…

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.73.…

A: The solutions which follow Rault's law are known as ideal solutions. For an ideal solution, total…

Q: A sample of salt water will freeze at a higher temperature than a sample of pure water. O True False

A: The freezing point of pure water depends on the surface of the solution or solvent.

Q: Calculate the mass of propylene glycol1C3H8O22 that must be added to 0.340 kg of water to reducethe…

A: Let us first calculate moles of water. moles = mass/molar mass given, mass of water = 0.340 kg = 340…

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Raoult's Law is generally used to calculate the partial vapor pressure of volatile solute in a…

Q: Determine the vapor pressure of a solution at 25°C that contains 76.6 g of glucose (CeH1206) in…

A:

Q: A solution is prepared by dissolving 396g of sucrose (C12H22O11) in 624 g of water. What is the…

A: Colligative properties are those physical properties of a solution which depend on number of solute…

Q: At 20.0 °C, the vapor pressure of cyclohexane, a nonpolar hydrocarbon, is 66.9 torr and that of…

A:

Q: The vapor pressure of water at 25.0°C is 23.8 torr. Determine the mass of 180 g/mol) needed to add…

A: Answer is explained below.

Q: hat is the vapor pressure of ethyl alcohol at 45 C? 100

A:

Q: At 20.0 °C, the vapor pressure of cyclohexane, a nonpolar hydrocarbon, is 66.9 torr and that of…

A: Raoult's Law states that vapor pressure of a solution formed by volatile solute and volatile solvent…

Q: How many moles of nickel ll chloride should be added to 600. moles of water to lower its vapor…

A: Given data is as follows: The number of moles of water = 600 mol The vapor pressure of pure water =…

Q: Calculate the mass of propylene glycol (C3H8O2) that must be added to 0.350 kg of water to reduce…

A:

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.73.…

A: Given :- Mole fraction of A=0.73               PoA=42.5 torr              PoB=210 torrTo calculate…

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.96.…

A:

Q: Two volatile substances are mixed with one another so that the solution has a vapor pressure of 125…

A: Colligative properties are dependent on the number of moles of solute in the solution. There are…

Q: A solution of methylene chloride (CH2Cl2) and ethanol (CH3CH2OH) that is 10.% methylene chloride by…

A: The mole fraction of methyl chloride (χM) at 750C is calculated as shown in equation (1) where P0M…

Q: The solubility of X2 gas in water is 0.620 g/L when a pressure of X2 over the solution is 11.2 atm.…

A: Given: Solubility of gas = 0.620 g/L. And partial pressure of gas = 11.2 atm.

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.37.…

A: Given : Solution is a binary solution of 2 liquids A and B. Mole fraction of A in solution = 0.37…

Q: Which of the following will have the highest boiling point? Justify your answer.A. 0.10 m sodium…

A: The boiling point of normal compounds depends on the strength of the intermolecular forces between…

Q: Vapor pressure of 25 percent by mass ascorbic acid (C6H8O6) solution in water is 24.5 torr at 25 o…

A: The total mass of the solution is 100gm, Ascorbic acid = 25 gm, and mass of water = 75 gm. Moles of…

Q: WHICH STATEMENT IS TRUE ABOUT WATER? A. IT EXHIBITS HYDROGEN BONDING B. IT DISSOLVES NONPOLAR…

A: The type of intermolecular attraction that occurs between hydrogen and a highly electronegative atom…

Q: 1. Adding 1 mol of NaCl to 1 kg of water lowers the vapor pressure of water more than adding 1 mol…

A: Lowering of the vapor pressure is a colligative property, which depends on the number of solute…

Q: A solution of ethanol (CH,CH,0H) and water that is 90.% ethanol by mass is boiling at 81.9 °C. The…

A: Given that: % mass of ethanol = 90 % To calculate the % by mass of ethanol in the new solution?…

Q: The boiling point of benzene, CH6, is 80.10°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: Boiling Point elevation Tbe = Tb + iKbm

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.59.…

A: Use Raoult's law for ideal solutions to solve this problem,Psolution = PAo XA + PBoXB where…

Q: Explain hydrogen bonding and how it contributes to the unique properties of water such a surface…

A:

Q: 100 grams of NaCl are added to 1 L of liquid water at standard conditions. Calculate the temperature…

A: Due to the addition of a solute, the freezing point of the solution decreases (as compared to pure…

Q: Calculate the mass % of naphthalene(C10H8) in 50.0g of methanol to obtain a vapor pressure of 118…

A: Given: The solute is naphthalene(C10H8) and the solvent is methanol(CH3OH). The pure vapor pressure…

Q: The freezing point of ethanol, CH,CH,OH, is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A: If we add any solute in any solvent, then there are certain changes in the colligative properties of…

Q: At 37 degrees celsius, the vapor pressure of 300.0 g of water was reduced from 0.062 atm to 0.058…

A:

Q: The addition of KBr to water causes the vapor pressure to: a. Increase b. Decrease c. Stay the same…

A:

Q: What types of liquids are miscible with water? What types are immiscible?

A: Liquids are the substance that dont have a definite volume. The particles present in the liquid can…

Q: The solubility of oxygen gas in water is greater at 35 °C than at 25 °C is greater at a barometric…

A: Solubility of oxygen in water depends on temperature and pressure. As temperature increases…

Q: The vapor pressure of pure ethanol at 30°C is 71.2 torr and that of pure carbon tetrachloride is…

A:

Q: Explain hydrogen bonding and how it causes water to have high surface tension

A: Hydrogen Bond is a type of a dipole-dipole interaction caused between the hydrogen atom which is…

Q: The vapor pressure of ethanol is 54.68 mm Hg at 25°C. How many grams of chlorophyll, C55H72MGN4O5, a…

A:

Q: A solution contains a mixture of substance A and substance B, both of which are volatile. The mole…

A: The total vapor pressure of the solution at 32oC is calculated as shown in equation (1).

Q: The boiling point of chloroform, CHCl3, is 61.70°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A: Given data contains, Mass of aspirin is 14.17 grams. Mass of chloroform is 238.1 grams. The boiling…

Q: 2) Calculate the vapor pressure caused by the addition of 100.0 g of nonvolatile solid naphthalene…

A: Given that: Mass of solvent (benzene) = 500.0 gMass of nonvolatile solute (naphthalene) = 100.0 g…

Q: Determine the vapor pressure of a solution at 55°C that contains 34.2 g NaCI in 375 mL of water. The…

A: Given that:  Mass of NaCl = 34.2g  Volume of water solvent = 375ml = 375g Molar mass of NaCl =…

Q: You must mix 168 g of carbon disulfide (CS2, 76.13 g/mol) with acetonitrile (CH3CN, 41.06 g/mol) to…

A: Calculate the number of moles of carbon disulfide:

Q: A solution contains a mixture of two volatile substances A and B.The mole fraction of substance A is…

A: A volatile substance has its own vapour pressure in a mixture of other gases. This vapour pressure…

Q: Ethylene glycol has a vapor pressure of 14.9 Torr at 373K and a vapor pressure of 49.1 Torr at 398K.…

A: Given : vapour pressure at 373 K = 14.9 torr and vapour pressure at 398 K = 49.1 torr The…