Posted by Anonymous on .
Assuming the temperature and pressure are held constant, which of the gas samples has the greatest number of gas particles?
a. 45.0 mL O3
b. 35.0 mL N2
c. 15.0 mL of CO2
d. 25.0 mL of SO with the little 3 at the bottom.

chemistry 
DrBob222,
PV = nRT
P is constant
R is constant
T is constant.
So V = kn
That means the largest V will have the largest n