Chapter 5, Problem 5.10E

If ${\text{N}}_{\text{2}}\text{,}{\text{H}}_{\text{2}},$ and ${\text{NH}}_3$ gases were contained in a system such that the total pressure were $100.0\text{bar}$, then the $p^{\circ }$ terms in equation $5.9$ would be equal to $100.0\text{bar}$. True or false? Explain your answer.