Question

7.5 gram of a gas occupies 5.8litre
of volume at STP the gas is

Answer 1

Moles of the gas=5.8/22.4=58/224moles
Let the molecular weight be x
58/224x=7.5
x=7.5×224/58=29g (Approx)
29g is of N2 GAS (NITROGEN)
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