Determine Moles of Gas in a Container

[physgrl]

Homework Statement

10. An ideal gas in a container has a pressure of 2.50 atm and a volume of 1 m3 at a temperature of 30oC. How many moles of gas are in the container?

a. 20 moles
b. 45 moles
c. 62 moles
d. 83 moles
e. 100 moles

Homework Equations

PV=nRT

The Attempt at a Solution

2.5atm*1000L=n*8.134*303.15
n=1.01 moles

which is not in the options...what am I doing wrong??

 

[technician]

You must use the correct units for pressure, volume etc