A sample of was mixed with ordinary for studying a biological tracer experiment

CHEMISTRY · Subjective · US High School · Chemistry · Atomic Structure & Nuclear · Atomic Structure & Nuclear

Problem

A sample of

^{14}\text{CO}_2

was mixed with ordinary

^{12}\text{CO}_2

for studying a biological tracer experiment. The 10 mL of this mixture at STP possess the rate of

10^4

disintegration per minute. How many millicurie of radioactive carbon is needed to prepare 60 litre of such a mixture?