Part AThree gases (8.00 g of methane, CH4, 18.0 g of ethane, C2 H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At23.00 C, the total pressure in the container is 4.70 atm . Calculate the partial pressure of each gas in the container.OExpress the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, thenpropane.View Available Hint(s)VADatmSubmitPart BA gaseous mixture of O2 and N2 contains 30.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 725 mmHg?Express you answer numerically in millimeters of mercuryView Available Hint(s)ADmmHgOxygen

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Asked Oct 31, 2019
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Part A
Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2 H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At
23.00 C, the total pressure in the container is 4.70 atm . Calculate the partial pressure of each gas in the container.
O
Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then
propane.
View Available Hint(s)
VAD
atm
Submit
Part B
A gaseous mixture of O2 and N2 contains 30.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 725 mmHg?
Express you answer numerically in millimeters of mercury
View Available Hint(s)
AD
mmHg
Oxygen
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Part A Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2 H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.00 C, the total pressure in the container is 4.70 atm . Calculate the partial pressure of each gas in the container. O Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane. View Available Hint(s) VAD atm Submit Part B A gaseous mixture of O2 and N2 contains 30.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 725 mmHg? Express you answer numerically in millimeters of mercury View Available Hint(s) AD mmHg Oxygen

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Expert Answer

Step 1

To calculate the unknown amount of propane

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moles of methane 16 0.5 18 moles of ethane=. 30 0.6 PV=nRT where P 4.70atm T 23 273K = 296K

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Step 2

Calculating the individual volumes occupied by these gases

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PV methane RT =n methane methane RT P V methane 0.5molx0.082L atm/molKx296K 4.7atm -2.58L RT ethane ethane 0.6molx0.082L atm/molK x 296K 4.70atm 3.09L

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Step 3

The volume occupied by propane ...

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V propane Vptal -(VmethaneV¢hane) total =10.0atm-(2.58atm+3.09atm =4.33atm P Vn 'propane RT propane PV propane RT 4.7atm 4.33L 0.082L atm/molKx296K 0.838mol

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