Question

Find the RMS and most probable speeds of $S{O}_2$, at ${27}^{o}C$.

Answer 1

Given,

Molar mass of sulphur dioxide=64g/mole

temperature=300K

Now we know

RMS=$u_{rms}=\sqrt{\frac{3RT}{M}}$

MPS=$u_{mps}=\sqrt{\frac{2RT}{M}}$

$u_{rms}=\sqrt{\frac{3\times 8.314\times 300}{64}}$

=$10.81{ms}^{-1}$

$u_{mps}=\sqrt{\frac{2\times 8.314\times 300}{64}}$

=$8.82{ms}^{-1}$