A sample of hydrogen gas is collected and it is observed that it contains only hydrogen and deuterium atoms in the atomic ratio 6000:1. The number of neutrons in 3 moles of such a sample should be nearly _______________.
A
0.0005
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3.01×1020
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
1.80×1024
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1.0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A3.01×1020 Ratio in 6000:1
Let no. of Hydrogen 6000x No. of deuterium ⇒x
Now,
6000x+x=3NA (It is given)
6001x=3×6.022×1023 atoms
x=3×6.022×10236001
x=3.01×1020
x=3×1020
∴ Deuterium atom =3×1020
As hydrogen has no neutron in it.
Only deuterium contains neutrons. ∴3×1020 deuterium contains 3×1020 neutrons