Question

A gas diffuse 1/5 times as fast as hydrogen. Its molecular weight is.

• A. 50
• B. 25
• C. $\left( p + \frac{a}{V_{m}^{2}} \right)(V_{m}) = RT$
• D. $pV_{m} = RT$

Answer 1

Answer: (A)

50

Answer 2

$\frac{M}{V}$

$\frac{PM}{RT}$; $P = 0.5atm,T = 600K$