The relation between density and molar mass of a gaseous substance is
PM
where ſ is density of subtance P is pressure of gaseous
RT
substance, Mis molar mass, Ris gas constant (= 8.3 J mol-'K-') and
Tis temperature is K what is the density of H, gas at 27°C and 249. k
Pa pressure.
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Answer:
Explanation:
Use formula PM/RT=density
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