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A 0.10-cm3 sample of a solution containing a radioactive nuclide (5.0 × 103 counts per minute...

A 0.10-cm3 sample of a solution containing a radioactive nuclide (5.0 × 103 counts per minute per milliliter) is injected into a rat. Several minutes later 1.0 cm3 blood is removed. The blood shows 49 counts per minute of radioactivity. Calculate the volume of blood in the rat.

Volume =___ mL

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