One Mole of an Ideal Gas with a Volume of 4.00

Multiple Choice

One mole of an ideal gas with a volume of 4.00 liters and a temperature of 0 $^{\circ}$ C is mixed with one mole of an ideal gas with a volume of 2.00 liters and a temperature of 100 $^{\circ}$ C.The volume of the mixture is 6 liters.What is the N/V of the mixture?

A) 1.75 $\times$ 10²⁶ m^-3
B) 2.01 $\times$ 10²⁶ m^-3
C) 2.66 $\times$ 10²⁶ m^-3
D) 3.21 $\times$ 10²⁶ m^-3
E) 3.56 $\times$ 10²⁶ m^-3