The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is 1:4. Their ratio of number of molecules is:
A
1:8
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1:4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
3:16
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
7:32
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D7:32 Number of moles ofO2=GivenmassMolarmass=w32 Number of moles ofN2=GivenmassMolarmass=4w28=w7
As ratio of molecules would also equal to ratio of their moles: ∴Ratio of their molecules=w32:w7=7:32