Chapter 12, Problem 18E

Radioactive phosphorus is used in the study of biochemical reaction mechanisms because phosphorus atoms are components of many biochemical molecules. The location of the phosphorus (and the location of the molecule it is bound in) can be detected from the electrons (beta particles) it produces:

$\text{P}\to \text{S}+\text{e}-$

Rate $=4.85\times {10}^{-2}{\text{day}}^{-1}\left[{}^{\text{32}}\text{P}\right]$

What is the instantaneous rate of production of electrons in a sample with a phosphorus concentration of 0.0033 M?