🤓 Based on our data, we think this question is relevant for Professor Cook's class at LSU.
Concept: Root mean square velocity/speed.
Using the root mean square speed equation, find speed of the 2 gases separately, next find ratio of the two speeds.
WF6 is one of the heaviest known gases.
How much slower is the root-mean-square speed of WF6 than He at 300 K?