Question

Calculate root mean square of methane molecule at 121°c.

1) 783.85 ms 1

2) 683.85 ms1

3) 883.85 ms 1

4) 983.85 ms 1​

Answer 1

Answer:

m= atomic mass of methane = 16g/ mol. = avogadro number = now put all the given values in the above root mean square speed formula