Question

the density of a gaseous oxide at 1.5 atmosphere and 20 degree Celsius is same as that of o2 gas at 10 degree Celsius and 4.5 atmosphere calculate molar mass of the gaseous oxide
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Answer 1

Answer:

Explanation:

Solution :

Density of dioxygen (O2) at 4.5bar pressure and 10∘C

ρO2=PMRT=4.5×32R×283.15

ρ⊗ide=PMRT=1.5×MR×293.15

Now, ρO2=ρ⊗ide

∴4.5×32R×283.15=1.5×MR×293.15

or M=4.5×293.15×32283.15×15=99.39gmol−1

Therefore, the molecular mass of oxygen dioxide is 99.39gmol−1