A freshly prepared sample of H2 gas having all tritium atoms (3H)with half-life 12.3 years occupies 125 mL at 500 kPa and 300 K. The activity of the sample is:
A
1448Ci
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
3548Ci
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2645Ci
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
none of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A1448Ci n=PVRT=500kPa×1atm101.325kPa×0.125L1×0.0821Latm/mol/K×300K=0.025mol