-3 The Henry's law constant for O2 is 1.3 x 10 mol · L. atm at 25°C. (a) What is the concentration of O2 in water at 25°C if the partial pressure of O2 in the atmosphere is 0.21 atm? Express concentration: (i) in mol/L, and (ii) in ppm (by mass). (b) How many grams of O2 is dissolved in water in a 1.0 x 10°- L capacity aquarium? (Assume density of solution is 1.0 g/mL).

Q: At 25 °C and standard pressure, a hydrogen sulfide solution can be made by bubbling H,S(g) into…

A: Since you have posted multiple questions as per guidelines we can answer one per session. If you…

Q: Henry's law constant (kh) for CO2 in water at 20°C is 0.037 mol/(L atm). Calculate the grams of gas…

A: Find the concentration of carbon dioxide using Henry’s law, then calculate moles from concentration.…

Q: A small storage cabinet 2m x 2m x 3m contains an open 208 L drum of aqueous TEC at a concentration…

A:

Q: The Henry’s law constant for CO2 is 3.4 × 10−2 M/atm at 25 °C. What pressure of carbon dioxide is…

A:

Q: In an aqueous solution at 25°C, if [H,O*] = 2.9 × 10 M, then [OH] is:

A: Given :- [H3O+] at 25°C = 2.9 × 10-4 M  To be calculated :- [OH-]

Q: What is the Ka of a monoprotic acid in which an 0.05272 M solution exerts an osmotic pressure of…

A:

Q: A small storage cabinet 2m *2m*3m high contains an open 208-L drum of aqueous TCE at a concentration…

A: Given, Volume of drum = 208 L TCE concentration =120mgL Temperature, T = 25°C =(25+273)K=298 K

Q: Butane, C4H10, has been suggested as the refrigerant in household compressors such as those found in…

A:

Q: A concentrated phosphoric acid solution is 85.5%H 3 PO 4 by mass and has a density of 1.69g / m * L…

A:

Q: Arterial blood contains about 0.25 g of oxygen per liter at 37°C and standard atmospheric pressure.…

A: Given: Henry's constant , kH = 3.7 × 10–2 mol/(L • atm) mole fraction of O2 = 0.209

Q: Water “softeners” remove metal ions such as Ca²⁺ and Fe₃³⁺ by replacing them with enough Na⁺ ions…

A: First determine the moles of Ca2+. One mole of Ca2+ ion has 2 mol charge present on it. The…

Q: hat is the freezing point of a water solution with the total volume of 1.00 L, that is made by…

A: Normal freezing point of water = 00 C Density of water = 1Kg/L

Q: It is sometimes asserted that carbonates are soluble instrong acids because a gas is formed that…

A: Calcium carbonate is an ionic compound in which the constituent particles are positively charged…

Q: What is the %( w/v) of a salt solution prepared by dissolving 7.5 g of salt in 242.5 mL of water?

A: Percent weight per volume is defined as the grams of solute in 100 milliliters of solution. Given…

Q: 7. Calculate the molar concentration of solute in an aqueous solution that is a. 18% (w/w) KBr and…

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

Q: What is the osmotic pressure of a 0.431 M solution of sodium phosphate

A:

Q: acid

A: Osmotic pressure = C • R • T  Where, C = concentration = 0.1530 M  R = 0.0821atmLmol-1K-1  T = 25°C…

Q: 5.. 3- Calculate the weight/ volume percent of solution prepared by dissolved 0.025g of AgNO3 in…

A: Mass of AgNO3  used = 0.025 gram Volume of water = 500 mL To find :- weight/volume percent

Q: . A 1.241 M aqueous solution of AgNO3 (used to prepare silver chloride photographic emulsions) has a…

A:

Q: At 298 K, the Henry's law constant for oxygen is 0.00130 M/atm. Air is 21.0% oxygen. At 298 K, what…

A:

Q: 1. Calculate the amount of HCl for preparing 0,5 M 100 ml HCl solution from the concentrated % 37…

A: 1.) Given  M2= 0.5 M V2= 100 mL  Mass % of HCl = 37% Density = 1.19 g/ mL  The relation between…

Q: What is the normality of the solution prepared by dissolving 25.2 grams oxalic acid in sufficient…

A: Mass of solute = 25.2 grams. Volume of solution = 1.2 L  Normality of the solution = ?

Q: What is the definition for standard state conditions? O 298 K (25 °C) Exactly 1 M concentration for…

A:

Q: The molar mass of phenolphthalein, an acid-base indicator, was determined by osmotic pressure…

A: Given : Osmotic pressure = 14.6 mm Hg Temperature = 25 oC Volume of solution = 2.00 L And mass of…

Q: The Henry’s law constant for argon gas in water at room temperature is 5.4 × 105 torr/M.  What is…

A:

Q: Question is attached

A: Given information,     Moles of NH4C2H3O2 = 1.75    Volume of solution = 1.00 L

Q: How much grams can CaSO4 be dissolved in 250mL of H20 with the KSP of CaSO4 being 2.4 x 10^-5

A: Solubility product is defined as the product of the concentrations or solubilities of the ions each…

Q: Calculate the molarity of phosphoric acid that contains 85%(W/W) by mass of aqueous solution of…

A:

Q: ST5G.1 - What is the approximate solubility [in units of MILLImolar] of an ionic compound M,X4 with…

A: Given: Ksp of MX4 = 1.3 × 10-10

Q: Asolution prepared by dissolving 682 mg of a sugar (a molecular compound and a nonelectrolyte) in…

A: Depression in freezing point- ∆Tf=iKfm

Q: What is the volume percent (v/v) of Br2 in a solution prepared by dissolving 12 mL of liquid bromine…

A: The volume percent of a solution can be calculated using equation (1). In this equation, Vs is the…

Q: In an aqueous solution of sodium hydroxide, whose density is 1,170 g/ml, the mole fraction of the…

A:

Q: What is the freezing point of 2.47 m solution of Napthalene in Benzene? Kf= 5.12° C/ms The…

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

Q: 1. What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C204 )3 9 H20} can be obtained…

A:

Q: Calculate the molarity (M) of a 58% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).

A: Given: Copper sulfate solution = 58% (w/v) 58% (w/v) means 58 g of copper sulfate is present in 100…

Q: At 25 °C and standard pressure, a hydrogen sulfide solution can be made by bubbling H2S(g) into…

A: Given question is :

Q: How much (in g) of CO2 is dissolved in 0.5 L of a drink which was produced under CO2 pressure of 500…

A: Given, V = 0.5 L P = 500 kPa

Q: What is the osmotic pressure of a 0.253 M solution of MgSO4 at 17.12 °C?

A:

Q: The Henry’s law constant at 25°C for nitrogen dissolved in water is 8.57 × 104 atm, that for oxygen…

A:

Q: The concentration of lead in an industrial waste stream is 0,28 ppm. What is its molar concretation?

A: Given,  Concentration of Pb in ppm (part per million) = 0.28 ppm  Molar concentration of Pb = ?

Q: Based on assumptions on complete ionization, the boiling point elevation caused by one mole of…

A:

Q: What is the solubility of CO2 in a soft drink (which is mainly water) that was bottled under a CO2…

A: Given, Bottled under a CO2 pressure of 4.4 atm solubility of CO2 in a soft drink =?

Q: Concentrated sulfuric acid has a density of 1.84 and is 95.0% by weight. What is the molality and…

A:

Q: If the solubility of barium fluoride at a temperature of 20 degrees Celsius, 0.16gm / 100ml of…

A:

Q: A typical soda contains the equivalent of approximately 10.0%(m/v) glucose. What is the…

A:

Q: Among the solutions below, ______________ has the most contribution to the colligative properties of…

A:

Q: How many grams of galactose, C6H12O6 (MM=180.156 g/mol) are necessary to prepare 150 mL of each of…

A:

Q: What mass of NH4C1 can be dissolved in 195g of H2O at 70° C?

A:

Q: In an aqueous solution at 25°C, if [H,O*] = 6.9 × 10“ M, then [OH] is:

A: Given: The concentration of hydronium ion, [H3O+]=6.9 x 10-4 M The concentration of hydroxide ion,…

Q: *5.47. A nonideal solution contains na of substance A and nB of substance B and the mole fractions…

A: