What is the value of percent atom economy if molar mass of reactants is $36 u$ and the mass of product is…
What is the value of percent atom economy if molar mass of reactants is $36 u$ and the mass of product is $27 \mathrm{u}$ ?
$75 \%$
$45 \%$
$25 \%$
$50 \%$
Solution
$\begin{aligned} & \% \text { Atom economy }=\frac{\text { Mass of product }}{\text { Mass of recctant }} \times 100 \\ & =\frac{27}{36} \times 100=75\end{aligned}$