Answer;
= 3.549 atm
Step-by-step explanation;
Using the PV = nRT
n =number of moles , P is the pressure, V is the volume , T is a constant and R is the Universal constant, 0.08206 L.atm.mol−1.
n = 10 moles
T = 333 K
V = 77 L
P = ?
P × 77 = 0.08206 × 10 × 333
P = 273.2598/77
= 3.549 atm