Answer
PV = nRT because V and T are constant. The sample with the largest number of gas particles will have the highest P because P$_{b}$ $\gt$ P$_{c}$ $\gt$ P$_{a}$.
Work Step by Step
PV = nRT because V and T are constant. The sample with the largest number of gas particles will have the highest P because P$_{b}$ $\gt$ P$_{c}$ $\gt$ P$_{a}$.
