5) If absorptivity (the constant of how much light of a given wavelength the sample absorbs) and path length (how much solution there is for light to pass through) are the same, which is true for a Beer's Law solution?

Q: An aqueous solution freezes at –0.015 °C. What would be the osmotic pressure of the solution at this…

A:

Q: Differentiate among a homogeneous solution, suspension and a colloidal solution, giving a suitable…

A:

Q: Why do some physical properties of solutions depend only on the concentration of the solute and not…

A: The dilute solutions have the physical properties based on number of particles called colligative…

Q: Students are investigating a solvent for use in freezing point depression experiments. They measured…

A: Given : Freezing point of solvent = -12.6 oC Freezing point of solution = -18.3 oC Mass of solute…

Q: Students are investigating a solvent for use in freezing point depression experiments. They measured…

A: Depression in freezing point  (∆Tf) :- When a non volatile solute is added to a pure solvent it's…

Q: above

A: According to the Henry's law, Solubility of gas depends on partial pressure of gas of the partial…

Q: A gas has a Henry’s law constant of 0.112 M>atm. What total volume of solution is needed to…

A: Given: Temperature = 25oC = 298K Pressure = 725 Torr = 725/760 amt = 0.954 atm Volume of gas = 1.65…

Q: An aqueous solution contains 5% NACl by mass. Calculate the molality and mole fraction.

A: Interpretation -  To determine the molality and mole fraction of an aqueous solution contains 5%…

Q: The vapor pressure of pure benzene at 25 °C is 0.1252 atm. When 10 g of an unknown non-volatile…

A: Raoult’s law states that a solvent’s partial vapour pressure in a solution (or mixture) is equal or…

Q: The freezing point of 50.40 g of a pure solvent is measured to be 47.46 ºC. When 2.10 g of an…

A:

Q: For an aqueous solution of HF, determine the van't Hoff factor assuming 0% ionization. i = For the…

A: For zero percent ionisation of HF, i = 1 as only HF will be left in the solution. Now when complete…

Q: Determine the molarity and mole fraction of a 1.01 m solution of acetone (CH3COCH3) dissolved in…

A:

Q: The normal freezing point of a certain liquid X is 3.90°C, but when 12. g of potassium bromide (KBr)…

A: Upon addition of some external material the freezing point and boiling point of the compound changes…

Q: Suppose the freezing point of a solution of 2.00 g of an unknown molecular substance in 10.00 g of…

A: We know, depression in freezing point is given by  ∆Tf=Kf×mwhere ∆Tf=depression in…

Q: Calculate the concentration of CO2 in water at 25°C when the pressure of CO2 over the solution is…

A: According to Henry’s law, the solubility of a gas is directly proportional to the partial pressure…

Q: What is the Tyndall effect, and how can it be used to help identify colloidal dispersions?

A:

Q: The freezing point of 48.06 g of a pure solvent is measured to be 45.44 ºC. When 2.04 g of an…

A:

Q: A solution is prepared by mixing 1.00 g of ethanol (C2H5OH) with 100.00 g of water to give a final…

A: In order to calculate the molarity and the mole fraction we first write down the given data: Mass of…

Q: The naturally occurring isotopes of sulfur, their atomic masses, and abundances are: S-32 : 31.97207…

A: e. The average atomic mass of isotopes can be calculated using the following expression:…

Q: At 25 C, a solution is prepared by dissolving 22.1 grams of toluene, C,H, in 250.0 mL of benzene,…

A: Since there are multiple sub-parts, we will answer only first three sub-parts. If you require the…

Q: Calculate the mole fraction of HCl in a 10.0% (by mass) aqueous solution. A. 5.49×10−2 B. 0.104 C.…

A: Percentage by mass is given by  % by mass = mass of solute X 100 / mass of solution Assuming we have…

Q: Calculate the freezing point of a 14.00?14.00m aqueous solution of methanol. Freezing point…

A: The freezing point of a 14.00m aqueous solution of methanol is to be calculated. Given: Molality of…

Q: aluminum hydroxide has a Ksp value of 2.0x10-32.  This indicates that aluminum hydroxide is…

A:

Q: Determine the molarity and mole fraction of a 1.03 m solution of acetone (CH3COCH3) dissolved in…

A: Given,the molality of the acetone solution = 1.03 mdensity of acetone = 0.788 g/cm3density of…

Q: What would be the theoretical freezing point of a solution made by dissolving 10.43 g of NiCl 2 in…

A: Given,  the theoretical freezing point of a solution is:  by dissolving 10.43 g of NiCl 2 in 365.0 g…

Q: 18. How many grams of ammonium nitrate must be weighed out to make 415 g of a 58.0% by mass…

A: A solution consists of solute and solvent. A solute is defined as the component that is present in a…

Q: based on the conductivity results of pure distilled water, does water exist predominantly as ions or…

A: As per the conductivity results of pure distilled water, it does not conduct electricity.

Q: You have two beakers. one contains pure water, the other contains pure methanol. The covalent bonds…

A: The force of attraction between water molecule is polar covalent bonds. While the force of…

Q: A gas has a Henry's law constant of 1.30 x 10-3 M/atm at 26.1 °C. What volume of solution is needed…

A:

Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

A: Given datas ;  At 64.7°C , Psoln = 670.0 torr  Vapour pressure of pure solvent (Methanol)  = 1.0 atm…