.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: Now a solution is prepared by dissolving solid FeCl3 ( molar mass = 162.2 g/mol)in water. If the…

A: Given that:                 Mass percentage = 26.0 %                 Density of solution = 1.25 g/mL…

Q: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the…

A: To solve this problem we will use the formula of molality

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.

Q: If you have 0.151 g of Al(OH)3 which is dissolved in 100.5 mL of CH3CH2OH with the density of 1.95…

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

Q: A solid mixture made up of 75% of solid A and 25% of solid B by mass is to be dissolved in 250.0 ±…

A: Given: % of Solid A = 75% % of Solid B = 25 % Volume of water = 250.0 ± 0.5 mL Molality of solution…

Q: Five grams of an organic solid is dissolved in 107.0 g of benzene. The boiling temperature of this…

A:

Q: 2. A 1.5 g sample of a mixture of naphthalene (C10H8) and anthracene (C14H10) is dissolved in 20.0g…

A: Given that, Weight of the sample mixture of naphthalene and anthracene = 1.5g Weight of benzene =…

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: A 0.598 M aqueous solution of acetone ( acetone mw= 58.0 amu) is prepared by dissolving acetone in…

A: Given,Molarity of acetone = 0.598M.Volume of solution = 75.0mL = 0.075L.The moles of acetone can be…

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: 16. Consider two statements and state whether they are true or false: (1) If the enthalpy of…

A: Solvation depends on the solvation energy i.e. the change in Gibbs free energy, which expressed as…

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: What will be the molality of a 467mL of  0.48 M Ba(NO3)2 (MW= 261.34 g/mol) solution if the density…

A:

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…

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

A:

Q: (a)Determine the molality of a 10% w/w solution if the molecular weight of the solute is 120 g/mol.…

A: All the necessary calculations have been done in the following step.

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: 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…

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Q: A student dissolves 3.4 g of biphenyl (C₁2H10) in 375. mL of a solvent with a density of 0.85 g/mL.…

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Q: Calculating molality A student dissolves 9.7 g of biphenyl (C₁3H,) in 250 ml. of a solvent with a…

A: We will use the following formula for the calculation of molarity and molality-And molality can be…

Q: The vapor pressure of water at 20.0 ºC is 17.5 torr. At that temperature, what would be the vapor…

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Q: Ionic Compounds... Dissociate to Dissolve hmg! ion-ion .... ..... .. ion-dipole NaCI(aq) has no H20…

A: The dissociation of the given compound is as follows, (NH4)3PO4(s) ---> NH4+(aq) + PO43-(aq)

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 addition of 0.125 g of an unknown, non-ionic compound to 100 g of cyclohexane lowered the…

A: The lowering in freezing point is given by ( for non ionic compounds)  lowering in freezing point =…

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: 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: 4. A solution is prepared by mixing 1 gof ethanol (C,H&O) with 100 g water to give a final volume of…

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Q: A solution contains 14.6 g of the substance bolognium and 14.6 g of caterium. Assuming ideal…

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Q: The vapor pressure of pure acetone, (CH3)2CO, at 250C is 229 torr. A.) Calculate the vapor pressure…

A: According to the question, The pressure exerted by a vapour with its condensed phases (solid or…

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

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Q: A student dissolves 18. g of biphenyl (C₁2H₁0) in 100. mL of a solvent with a density of 1.04 g/mL.…

A:

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

A:

Q: Uhy do solids and liquids behave differently? Select the correct response. O Because they have…

A: Answer  Solids and liquids  are different mainly because of their…

Q: In a reaction vessel, a small cube of lithium (density = 0.535 g/cm3) measuring 35 mm on each edge…

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Q: 3) A student weighed 1.75 g of an unknown molecular compound and dissolved it in 15 ml of water. The…

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Q: 4. Calculate the vapor pressure of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a…

A: From the given data we have Mass of napthalene=70.0g Mass of benzene=220.0g Vapour pressure of pure…

Q: At 300 K consider a colloidal solution, M = 150 kg/mol, in a gravity field. If the concentration of…

A: Temperature = 300K Mol mass = M = 150kg/mol Colloid concentration at top = Mtop = 0.0008M Colloid…

Q: compounds

A: The question is based on the concept of solutions. it applies the principle of raoult's law of…

Q: An ideal solution contains 0.1279 mol H2O and an unknown number of moles of urea (nonelectrolyte,…

A: