Q.5.74 - An Introduction to General, Organic, and Biological Chemistry

Question

The activity of C-14 in a 70kg human body is estimated to be 3.7 kBq. What is this activity in microcuries? 

Step-by-Step Solution

Answer

The activity is $1\times {10}^{-4}\text{mCi}$

Step 1: Given Information

The activity of C-$14$ in a $70$kg human body is estimated to be $3.7$ kBq. 

Step 2: Explanation

Converting to mCi,

$3.7 \mathrm{kBq}\times \frac{1 \mathrm{mCi}}{37000 \mathrm{kBq}}=1\times {10}^{-4} \mathrm{mCi}$

Hence the activity is $1\times {10}^{-4}\text{mCi}$