1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

# Flask A contains H2 gas and B contains CH4 gas have equal mass and volume at 300 K and 600 K respectively. Which flask will have a greater number of molecules? (Assuming ideal behaviour for both the gases.)

A
A
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
B
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
C
Both A and B are equal
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
D
None
No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
Open in App
Solution

## The correct option is A ALet nA be the number of molecules of H2 and nB be the number of molecules of CH4.We know that,nA=m2;nB=m16where m is the mass of the gas of two flasks A and B.∴nAnB=m2/m16=8Now, the number of molecules in these flasks are given as :NA=m2×N,NB=m16×Nwhere N is Avogadro's constant.∴NANB=8⇒NA>NBHence, option (A) is correct.

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
The Gas Laws
PHYSICS
Watch in App
Explore more
Join BYJU'S Learning Program