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A certain radioactive isotope .(Z)^(A)X(...

A certain radioactive isotope `._(Z)^(A)X(t_(1//2)=100` days decays to `._(Z-2)^(A-8)Y` . If 1 mole of `._(Z)^(A)X` is kept in sealed container , how much He gas will accumulate at STP in 200 days?

A

11.2 litres

B

33.6 litres

C

22.4 litres

D

44.8 litres

Text Solution

Verified by Experts

The correct Answer is:
B
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