# Problem: Part A:What mass of carbon dioxide is present in 1.00 m3 of dry air at a temperature of 19°C and a pressure of 651torr? Express your answer with the appropriate units.Part B: Calculate the mass percentage of oxygen in dry air. Express your answer with the appropriate units.Here is given info:Air is a mixture of several gases. The 10 most abundant of these gases are listed here along with their mole fractions and molar masses.  Component  Mole fraction   Molar mass  (g/mol)Nitrogen   0.78084  28.013Oxygen 0.20948  31.998Argon 0.00934  39.948Carbon dioxide    0.000375  44.0099Neon 0.00001818  20.183Helium 0.00000524  4.003Methane 0.000002  16.043Krypton 0.00000114  83.80Hydrogen 0.0000005  2.0159Nitrous oxide 0.0000005   44.0128

###### FREE Expert Solution

Part A: Given:

P = 651 torr = 0.8566 atm

V = 1.00 m3 = 1000 L

T = 19 °C + 273 = 292 K

Calculating for n:

= 35.75 mol dry air

89% (497 ratings) ###### Problem Details

Part A:

What mass of carbon dioxide is present in 1.00 m3 of dry air at a temperature of 19°C and a pressure of 651torr? Express your answer with the appropriate units.

Part B:

Calculate the mass percentage of oxygen in dry air. Express your answer with the appropriate units.

Here is given info:

Air is a mixture of several gases. The 10 most abundant of these gases are listed here along with their mole fractions and molar masses.

 Component Mole fraction Molar mass  (g/mol) Nitrogen 0.78084 28.013 Oxygen 0.20948 31.998 Argon 0.00934 39.948 Carbon dioxide 0.000375 44.0099 Neon 0.00001818 20.183 Helium 0.00000524 4.003 Methane 0.000002 16.043 Krypton 0.00000114 83.80 Hydrogen 0.0000005 2.0159 Nitrous oxide 0.0000005 44.0128