.9720 M aqueous solution of NaCl has a density of 1.03625g/cm^3 at 25 C, Calculate the molality of the solution. ( you will also need the density of pure water at the 25C which equals .997044 g/cm^3) molality=.997

Q: 6). High concentrations of ammonia (NH3), nitrite ion, and nitrate ion in water can kill fish.…

A: Given: Lethal concentrations are given  To find: To express these concentration in terms of molality…

Q: Calculate the molality of a solution produced by dissolving 15.2 g of calcium chloride in 345 g of…

A: Definition of Molality: It is defined as number of moles of solute dissolve in 1 kg of solvent .…

Q: At what temperature is each of the following solutions -saturated? (Refer to Figure 13.5.) (a) 40 g…

A: Saturated solutions are those where the maximum amount of solute is dissolved.

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A: Given : Mass of hydrogen dissolved = 0.94 g And mass of palladium metal = 215 g

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A: INTRODUCTION: Molarity: It is defined as the Number of moles of solute dissolved in 1 Litre of…

Q: Eicosene is a molecular compound and nonelectrolyte with the empirical formula CH2. The freezing…

A: Given that:  Depression in freezing point is 1.75°C  Kf for benzene is 4.90°C/m  Mass of eicosene…

Q: The molality of ethanol, CH3CH OH, in an aqueous solution is 5.98 mol/kg. What is the mole fraction…

A: The molality of ethanol, CH3CH2OH, in an aqueous solution is 5.98 mol/kg.What is the mole fraction…

Q: A solution of sodium chloride in water has a vapor pressure of 19.6 torr at 25°C. What is the mole…

A: Mole fraction of solvent (water) at 25oC can be determined by Raoult’s law as follows, Determine…

Q: Aqueous solutions of propylene glycol (C3H8O2) are often used as antifreeze solutions for several…

A: Step 1: The weight percentage (%m/m) or mass percent of a component in a solution is defined as the…

Q: Calculate the vapor pressure of a solution containing 24.5 g of glycerin (C3HgO3) in 135 ml. of…

A: Given: Weight of glycerin = 24.5 g Weight of water = 135 mL = 135 g PB° = 31.8 torr 1 mL = 1 g…

Q: The vapor pressure of pure acetone, CH3C(O)CH3, at30°C is 0.3270 atm. Suppose 15.0 g of…

A: The molar mass of acetone is 58.09 g/mole The molar mass of benzophenone is 182.217 g/mole

Q: One gram of aluminum nitrate is dissolved in 2.53 liter of water at 20.0 °C. The density of water at…

A: The molarity and molality of the solution is given below

Q: An aqueous solution containing 36.8 g of an unknown molecular (non-electrolyte) compound in 143.2 g…

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

Q: The vapor pressure of chloroform is 173.11 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that…

A: Given  Vapor pressure Chloroform = 173.11 mmHg  Mass of aspirin ) = 10.87 gram  Molar mass of…

Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte…

A: 1- First calculate the moles of solute and solvent :  a) moles of aspirin = ( mass / molar mass )…

Q: Suppose that you add 25.6 g of an unknown molecular compound to 0.250 kg of benzene, which has a Kf…

A:

Q: A solution of sodium chloride in water has a vapor pressure of 19.6 torr at 25°C. What is the mole…

A:

Q: Define molarity and molality and calculate the molarity and molality of the following solutions…

A: Molarity (M)The total number of moles of dissolved solute in per litre of solution is expressed as…

Q: 5.152g of Na2CO3(s) is added to 75.0mL of water at 21.20°C. When the dissolution is complete, the…

A: Molarity of the solution can be calculated by using Following formula - Molarity = mass×1000/molar…

Q: A solution contains 3.95 g of carbon disulfide (CS2) and 2.43 g of acetone (CH3COCH3). At 35 °C the…

A: The mole fraction of carbon disulphide is calculated as shown below.

Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte…

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

Q: A sulfuric acid solution containing 571.4 g of H₂SO per liter of solution has a density of 1.329 4…

A:

Q: The vapor pressure of benzene is 73.03 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves…

A:

Q: a) Arrange the following aqueous solutions from lowest to highest boiling point. Justify your…

A: a) Given : 0.0185 m CH3OH solution 0.0125 m KCl solution  And 0.0105 m Ca(NO3)2 solution.

Q: A solution is prepared by dissolving 0.131 g of an ionic compound in 25.4 g of water. The ionic…

A: Here, the molality of the solution is given as 0.056 m. The molality indicates, moles of solute…

Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte…

A: Formula used  Xsolvent =  Psolution/ Psolvent  where Xsolvent = mole fraction of solvent  Psolution…

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

A:

Q: A student dissolves 11. g of aniline (C,H,NH,) in 250. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution and…

Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte…

A: When a solute is added in pure solvent then its vapor pressures gets lowered. It is referred as a…

Q: The density of an aqueous solution containing 15.0 percent ethanol (C₂H5OH) by mass is 0.979- your…

A: Given :  Mass percentage of ethanol = 15.0 ℅  Density of solution = 0.979 g/ml

Q: Calculate the concentration, in molality, of a sodium chloride solution created by dissolving 1.000g…

A: Here i have applied the molality formula

Q: Calculate the molality of 15.0 grams of KBr dissolved in 750.0 mL pure water. What mass of ammonium…

A: We have to Calculate the molality of 15.0 grams of KBr dissolved in 750.0 mL pure water.

Q: Osmotic pressure can be very useful for estimating the molecular weights of macromolecules for whom…

A: For part (a): The mass of protein = 1.364 g The molar mass of the protein = 1.78 × 104 g/mol The…

Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte…

A: Formula used  Xsolvent =  Psolution/ Psolvent  where Xsolvent = mole fraction of solvent  Psolution…

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

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Q: When 6.31 g of a certain nonvolatile solute is dissolved in 505 g of water, the freezing point of…

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Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte…

A:

Q: 2A solution was prepared by dissolving 18.00 g glucose in 150.0 g water. The resulting solution was…

A: (a) Height in limit is characterized as the rise in the edge of boiling over of water on the…