50 mL each of gases A and B take 150 and 200 seconds respectively for effusing through a pin- hole under the similar conditions . If molecular mass of B is 36 , the molecular mass of A will be nearly

50 mL each of gases A and B take 150 and 200 seconds respectively for

1.	50 mL each of gases A and B take 150 and 200 seconds respectively for effusing through a pin- hole under the similar conditions . If molecular mass of B is 36 , the molecular mass of A will be nearly
Answer» <html><body><p>64<br/>96<br/>128<br/>20</p>Solution :`(V_(A))/(t_(A)) xx (t_(<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>))/(V_(B)) = sqrt((M_(B))/(M_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>))) , (50)/(150) xx (200)/(50) = sqrt((<a href="https://interviewquestions.tuteehub.com/tag/36-309156" style="font-weight:bold;" target="_blank" title="Click to know more about 36">36</a>)/(M_(A)))` <br/> `M_(A) = (36 xx 9)/(16) = 20.25`</body></html>