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Air and Atmosphere

If the compon...

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If the components of air are N2-78%; 02-21%; Ar-0.9% and CO2-0.1% by volume (or mole), whatwould be the molecular weight of air?

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Q. If the components of air are

N_{2}

O_{2}

A r

C O_{2}

0.1 % by volume, the molar mass of air would be (nearest integer):

Q. The major components of air are

O_{2}

N_{2}

with approximate proportion of 21% and 79% by volume at

298 K

. The water is equilibrium with air at a pressure of

10 a t m

298 K

K_{H} (N_{2}) = 6.51 \times 10^{7} m m

What will be the moles of

N_{2}

1 k g H_{2} O ?

Q. Air contains

N_{2}

O_{2}

4 : 1

ratio by volume. Approximate molecular weight of air (g/mole) is:

Q. Dry air has a molar composition of

22 % O_{2}

78 % N_{2}

. Calculate the average molecular weight of dry air.

N_{2}

O_{2}

as main components of the air (

79

N_{2}, 21

O_{2}

by volume) what is the molecular mass of air? How has it been arrived at?

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