An iron meteorite was analysed for its argon content.The amount of 36Ar was 0.20mm3(STP) per kg of meteorite.If each 36Ar atom had been formed by a single cosmic event,how many such events must there have been per kg of meteorite.
Moles of Ar = \(\frac {0.20\times 10^{-3}}{22400}\)
No. of events = Moles x Avogadro's Number