## Chemistry: The Central Science (13th Edition)

22.2$^{\circ}$C
This question asks us to convert a measurement in Fahrenheit to its Celsius counterpart. To do this, we have to use the formula, $^{\circ}$C=($^{\circ}$F-32)$\times$$\frac{5}{9}$. When you plug in 72$^{\circ}$F, you find that it comes out to 22.2$^{\circ}$C.