The Henry's law constant (k) for O, in water at 20°C is 1.28 x 10 mol(Latm). (a) How many grams of O, will dissolve in 7.25 Lof H,0 that is in contact with pare O at 1.00 atm?

Q: Calculate the osmotic pressure (in torr) at 25°C of an aqueous solution containing 1 g/L of a…

A: Given data: *Density is 1g/mL. *Molar mass is 1.0g/L.  *Mass concentrationMR is 9×104g/mol.

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 vapor pressure fo the solution composed of  542 mL of water ( Pvapor = 760 mmHg)  and…

A: Volume of water = 542 ml Mass of water = 542 g Mass of sugar = 12 g Number of moles of water = 542…

Q: A saturated solution of Na2S2O3 at 80 degree celsius was determined to be 47.6% by mass. What is…

A:

Q: A 1.0 L solution hemoglobin (HB) was prepared by dissolving 70.0 g of HB in in enough water. Osmatic…

A: The osmotic pressure is a colligative property. The value of the osmotic pressure depends on the…

Q: 3) What is the osmotic pressure, II associated with a 50.0 g of an enzyme of molecular mass 98,000…

A: The correct option is b) 3.71torr. Detail calculation is shown below

Q: Which of the following is TRUE about solutions? O a. Solute-solvent interactions will always be…

A: Here we have to predict the true statement among the following given statements.

Q: The Henry’s law constant for O2 is 1.3 × 10−3 M/atm at 25 °C. Assuming ideal solution behavior, what…

A: Given: Henry’s law constant for O2 = 1.3 × 10−3 M/atm Volume of aquarium = 40.0 L Atmospheric…

Q: State Henry’s law. Why do gases always tend to be less soluble in liquids asthe temperature is…

A:

Q: At 25oC the PoH2O = 23.6 torr. ___ is the vapor pressure of this solution containing 600 g of sugar…

A: It can be solved by using Raoult's law as :-  po-ppo = wMWm where po = pressure of pure solvent p =…

Q: A solution of H2SO4(aq) with a molal concentration of 1.94 ? has a density of 1.119 g/mL. What is…

A:

Q: How many grams of the non-electrolyte C3H8O3 must be dissolved in 616g of water to produce a…

A: Given data,Mass of water=616g=0.616KgFreezing point of solution=-1oC

Q: What would be the vapor pressure of water at 85°C above a solution made by dissolving 42.71 g of…

A: When  a non volatile solute adds to a volatile solvent , the vapour pressure of solvent lowers.…

Q: What are the molality and mole fraction of solute in a35.5 percent by mass aqueous solution of…

A: Given that: Mass percent of formic acid = 35.5 % To find: molality  mole fraction

Q: What is the freezing point and boiling point of an aqueous solution of LiCl that contains 2.58g of…

A: Given; Mass of LiCl = 2.58 g And volume of solvent i.e water = 10 mL Hence mass of solvent i.e water…

Q: What is the molar mass of thyroxine if 0.455g of thyroxine is dissolved in 10g of benzene (C6H6),…

A:

Q: A 31.9 g sample of a K2SO4 dissolves in 180. g of water. If the Kf  (H2O) = 1.86 oC/molal.  What is…

A: Depression in freezing point is given by  depression in freezing point = Kf X m X i  where m =…

Q: A solution is made containing 20.8 g of phenol (C6H5OH)in 425 g of ethanol (CH3CH2OH). Calculate (a)…

A: a. The mass of phenol = 20.8g  The mass of ethanol = 425g The molar mass of phenol = 94.11 g/mol The…

Q: What is the percent % (w/w), concentration of sucrose in a solution made by dissolving 7.6 g of…

A: Mass of glucose (solute) = 7.6 g  Mass of water (solvent) = 83.4 g  Percent concentration (weight…

Q: What is the expected freezing point of a 0.50 m solution of LizSO4 in water? Kf for wate is…

A: Depression in freezing point

Q: The freezing point of a 0.21m aqueous solution of H2SO4 is -0.796oC. i = 2.04 b. Is the solution…

A: Given, Molality (m) = 0.21 m □Tf = 0.796 °c Kf = 1.86 °c/m □Tf = i×Kf ×m i = 0.796/0.21×1.86 =2.01

Q: A small cube of lithium (density = 0.535 g/cm3) measuring1.0 mm on each edge is added to 0.500 L of…

A:

Q: What is the osmotic pressure, in torr, of a solution formed by dissolving 0.3323 g of ammonium…

A: First Calculate molarity=mole/volume Then use  π=CRT

Q: What mass in grams of CH₃OH (MM = 32.04 g/mol) would need to be added to 420.1 g of water in order…

A: The given data contains, mass of water = 420.1 g. Freezing point = 12.00C

Q: At what temperature does a 2.00 m CH3OH(aq) solution freeze at?

A: Answer :- -3.72 (°C) 2.00 m CH3OH(aq) solution freeze at -3.72 °C…

Q: What mass in grams of CH₃OH (MM = 32.04 g/mol) would need to be added to 380.1 g of water in order…

A: The required mass of CH₃OH to lower the freezing point of water by 12.0 °C is determined as shown in…

Q: Which concentration unit is used in calculating for the change in the freezing point or boiling…

A:

Q: Calculate the molality of a 35.4 percent (by mass) aqueous solution of phosphoric acid (H,PO,). The…

A:

Q: What is the freezing point of a solution of water if, 25.0 grams of acetone (C3H6O) is mixed with…

A: Please find your solution below : Colligative properties are the properties of solutions that depend…

Q: What mass in grams of CH₃OH (MM = 32.04 g/mol) would need to be added to 410.1 g of water in order…

A:

Q: Can an aqueous solution be prepared that is 30% by mass KNO3 at 20oC?

A:

Q: Concentrated Sulphuric acid (98.12 g.mol-1) has a density of 1.5 g/cm3and is 60% H2SO4 per mass.…

A: Molarity =  1000 x W/(MM x V) Where, W = mass of solute in gram; MW = molar mass of solute and V =…

Q: The normal freezing polnt of a certaln liquld X Is -8.10 °C, but when 28.8 g of barlum hydroxide…

A:

Q: When 0.494 g of K3Fe(CN)6 is dissolved in 100.0 g of water,the freezing point is found to be…

A: The number of ions  present in K3Fe(CN)6 has to be given,

Q: Acetone (molar mass = 58.0 g mol) has a vapor pressure at a given temperature of 166 torr. At the…

A:

Q: The Henry’s law constant for O2 is 1.3 × 10−3 M/atm at 25 °C. What mass of oxygen would be dissolved…

A: Given: Henry Law Constant for O2 =1.3 x 10-3 M/atm  Volume of aquarium= 40.0 L Atmospheric pressure…

Q: Consider the solution process below. Select the true statement. AH1 AH, AH Expanded solvent Expanded…

A: In chemical thermodynamics, the Hess's law of constant heat summation states that regardless of the…

Q: What molality of Na Clis required to lower the freezing point of water to -11.6 degrees C? Use 1.853…

A: Given : freezing point of solution = -11.6 oC Since freezing point of solution = freezing point of…

Q: A solution of H2SO4(aq) with a molal concentration of 6.80 ? has a density of 1.318 g/mL. What is…

A: Given:Density = 1.318 g/mLMolal conc. = 6.80 We need to find the molar concentration of this…

Q: What is the minimum mass of ethylene glycol (C2H&O2) that must be dissolved in 14.5 kg of water to…

A:

Q: The osmotic pressure, in torr, of a 0.0218 M aqueous solution of a molecular compound at 25 °C is i…

A: Given,   concentration, C = 0.0218 M temperature, T = 25oC

Q: How momy grame of amimmium oxalate 'must be added to 500g of water to 7owver. the freezing point of…

A:

Q: freezing point of 10g of CeH12O6 s of an unknown nonvolatile solute zene by 0.500°C.

A: 2) mass of solvent = 150 g = 0.150 kg □Tb = 0.50 °c Kb(benzene) = 2.53 °c/m Molality (m) = = moles…

Q: A chemist is studying small organic compounds for theirpotential use as an antifreeze. When 0.243 g…

A: a) To solve for the molality of the compound, ∆Tf = Kfmm =∆TfKf=0°C- (-0.201°C)1.86°C/m=0.108 m

Q: Calculate the amount of carbon dioxide dlissolved in one liter of soda pop if the manufacturer uses…

A: (1) According to Henry's law -  P = KH S  S = P/KH  S = 2.4/6.04×101  S = 0.039735 M    Mass of…

Q: 3.What is the molality(m) of a solution made from dissolving 179g.of MgCl2 into 1.00L of water?

A: Mass of MgCl2 = 179 g  Volume of water = 1.00 L We need to determine the molality of solution.

Q: The freezing point of a 0.10 m solution of mercury(I) nitrate is approximately -0.27 celsius…

A:

Q: What is the molarity of NaOH in a 3 molal solution given the density is 1.1 g/ml?

A: The molarity of sodium hydroxide in a 3 molal solution can be calculated as3 molal solutions of NaOH…

Q: (c) Consider the following data: = -37.2 kJmol Lattice energy of LiCl = -846 kJmol·' AHsolution of…

A: Given,  ∆Hsolution = - 37.2 kJmol-1 Lattice energy of LiCl = - 846 kJmol-1 Mass of LiCl = 4.0 g