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Chemistry
- What is the mole fraction of H 2 S O 4 in a solution containingthe percentage of sulfuric acid and water shownin Figure 14.25?arrow_forwardCalculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air to be 0.21 and the Henry's law constant for oxygen in water at this temperature to be 1.3 x 103 M/atm. 49.4 mg 13.7 mg 23.5 mg 9.87 mg O 27.3 mgarrow_forwardCalculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air to be 0.21 and the Henry's law constant for oxygen in water at this temperature to be 1.3 × 10-3 M/atm. A) 49.4 mg B) 23.5 mg C) 9.87 mg D) 27.3 mg E) 13.7 mgarrow_forward
- Determine the Henry's law constant for ammonia in water at 25°C if an ammonia pressure of 0.022 atm produces a solution with a concentration of 1.3 M. 0.017 M/atm 0.038 M/atm 35 M/atm O 0.029 M/atm 59 M/atmarrow_forwardDetermine the partial pressure of oxygen necessary to form an aqueous solution that is 6.5 × 10-4 M O2 at 25°C. The Henry's law constant for oxygen in water at 25°C is 1.3 x 10-3 M/atm. O 0.77 atm O 0.50 atm O 0.54 atm O 1.2 atm 2.0 atmarrow_forwardCalculate the mass percent of 2.50 moles of NaOH in 0.900 L of water at 25 °C. (The density of water is 1.00 g/mL at 25 °C) O 1) 10.0% O 2) 9.09% O 3) 71.4% O 4) 2.50% O 5) 40.0%arrow_forward
- Which of the following should have the largest Henry's law constant (kH) in water? CO2 HCl CH4 Ar Xearrow_forward4. Calculate the concentration of carbon dioxide in water at 25°C when the pressure of CO2 over the solution is 4.0 atm. The Henry's law constant for CO₂ in water at this temperature is 3.1×10-² mol/L.atm.arrow_forwardHenry's law constant for O2 gas in water is 8.6m10-3 M/atm. 2.5 atm O, is dissolved in 500 mL of water. Same amount of O2 gas is used in the combustion of methane. OCalculate the volume of CO2 produced at STP upon combustion of methane. O 1.12 L O 0.0112 L O 0.112 L O 11.2 Larrow_forward
- 5.) The Henry's Law constant for O3 in water at 25 °C is 1.2x10-2 M/atm. What pressure of O3, in atm, would be required to give a [O3] = 0.0275 M? Your Answer:arrow_forwardWhich of the following should have the largest Henry's Law constant (KH) in water? CO2 SO2 CH3CH3 Xearrow_forwardCalculate the mass of oxygen (in mg) dissolved in a 2.50 L bucket of water exposed to a pressure of 2.13 atm of air. Assume the mole fraction of oxygen in air to be 0.21 and the Henry's law constant for oxygen in water at this temperature to be 1.3 × 10-3 M/atm. Molar mass for oxygen (O2) is 31.9988 g/mol. A. 46.5 mg B. 27.0 mg C. 13.7 mg D. 23.5 mg E. 9.87 mgarrow_forward
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