A hospital needs 0.100 g of 133 54Xe for a lung-imaging test. If it takes 10 days to receive the shipment, what is the minimal amount mXe of xenon that the hospital should order?

the hospital needs to order for a  minimum amount of 0.4 g of

Explanation:

Given that:

A hospital needs 0.100 g of

and it takes 10 days for the shipment to arrive:

the half life = 5 days

So, since the half life = 5 days ;

decay constant

where:

Therefore in order to get 0.100 g  of , the hospital needs to order for a  minimum amount of 0.4 g of