At what temperature will air have same density as helium

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Reference no: EM13232720

At what temperature will air (MW=29) have the same density as helium at 300 K, both gases at the same pressure.

a) 2200 K

b) 41 K

c) 415 K

d) 600 K

e) 173 K

Reference no: EM13232720

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