H₂ Stored in a 50

Multiple Choice

H₂ stored in a 50.0 L container has a pressure of 500.0 torr. O₂ stored in a 25.0 L container has a pressure of 800.0 torr. If both these gases are released together to be stored in a 100.0 L container, what is the total pressure in the 100.0 L container?

A) 800 torr
B) 500 torr
C) 450 torr
D) 650 torr
E) 1,300 torr