# Consider an initially pure M gm sample of X, an isotope that has a half-life of T hour, what is its initial decay rate (N_A = Avogadro No, ato

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Consider an initially pure M gm sample of X, an isotope that has a half-life of T hour, what is its initial decay rate (N_A = Avogadro No, atomic weight of X is A)
A. (M N_(A))/(T)
B. (0.693 M N_(A))/(T)
C. (0.693 M N_(A))/(AT)
D. (2.303 M N_(A))/(A T)

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