Question

at 300 k the most probable speed of gas A (mol.wt =36 u ) is equal to root mean square (rms) speed of gas B. The molecular weight of gas B is ​

Answer 1

Explanation:

As we know,

u

rms

=

3RT/M

u

mp

=

2RT/M

According to given conditions,

3R∗400/40

=

2R∗60/M

M=4